Message ID | 20200302093902.27849-2-cleger@kalray.eu (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [v5,1/8] remoteproc: Use size_t type for len in da_to_va | expand |
On Mon 02 Mar 01:38 PST 2020, Clement Leger wrote: > With upcoming changes in elf loader for elf64 support, section size will > be a u64. When used with da_to_va, this will potentially lead to > overflow if using the current "int" type for len argument. Change > da_to_va prototype to use a size_t for len and fix all users of this > function. > > Signed-off-by: Clement Leger <cleger@kalray.eu> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> > --- > drivers/remoteproc/imx_rproc.c | 11 ++++++----- > drivers/remoteproc/keystone_remoteproc.c | 4 ++-- > drivers/remoteproc/qcom_q6v5_adsp.c | 2 +- > drivers/remoteproc/qcom_q6v5_mss.c | 2 +- > drivers/remoteproc/qcom_q6v5_pas.c | 2 +- > drivers/remoteproc/qcom_q6v5_wcss.c | 2 +- > drivers/remoteproc/qcom_wcnss.c | 2 +- > drivers/remoteproc/remoteproc_core.c | 2 +- > drivers/remoteproc/remoteproc_internal.h | 2 +- > drivers/remoteproc/st_slim_rproc.c | 4 ++-- > drivers/remoteproc/wkup_m3_rproc.c | 4 ++-- > include/linux/remoteproc.h | 2 +- > 12 files changed, 20 insertions(+), 19 deletions(-) > > diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c > index 3e72b6f38d4b..8957ed271d20 100644 > --- a/drivers/remoteproc/imx_rproc.c > +++ b/drivers/remoteproc/imx_rproc.c > @@ -186,7 +186,7 @@ static int imx_rproc_stop(struct rproc *rproc) > } > > static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, > - int len, u64 *sys) > + size_t len, u64 *sys) > { > const struct imx_rproc_dcfg *dcfg = priv->dcfg; > int i; > @@ -203,19 +203,19 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, > } > } > > - dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%x\n", > + dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%zx\n", > da, len); > return -ENOENT; > } > > -static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct imx_rproc *priv = rproc->priv; > void *va = NULL; > u64 sys; > int i; > > - if (len <= 0) > + if (len == 0) > return NULL; > > /* > @@ -235,7 +235,8 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > } > } > > - dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%p\n", da, len, va); > + dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%p\n", > + da, len, va); > > return va; > } > diff --git a/drivers/remoteproc/keystone_remoteproc.c b/drivers/remoteproc/keystone_remoteproc.c > index 5c4658f00b3d..cd266163a65f 100644 > --- a/drivers/remoteproc/keystone_remoteproc.c > +++ b/drivers/remoteproc/keystone_remoteproc.c > @@ -246,7 +246,7 @@ static void keystone_rproc_kick(struct rproc *rproc, int vqid) > * can be used either by the remoteproc core for loading (when using kernel > * remoteproc loader), or by any rpmsg bus drivers. > */ > -static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct keystone_rproc *ksproc = rproc->priv; > void __iomem *va = NULL; > @@ -255,7 +255,7 @@ static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > size_t size; > int i; > > - if (len <= 0) > + if (len == 0) > return NULL; > > for (i = 0; i < ksproc->num_mems; i++) { > diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c > index e953886b2eb7..2b01f2282062 100644 > --- a/drivers/remoteproc/qcom_q6v5_adsp.c > +++ b/drivers/remoteproc/qcom_q6v5_adsp.c > @@ -270,7 +270,7 @@ static int adsp_stop(struct rproc *rproc) > return ret; > } > > -static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c > index 471128a2e723..3401a17f8ce6 100644 > --- a/drivers/remoteproc/qcom_q6v5_mss.c > +++ b/drivers/remoteproc/qcom_q6v5_mss.c > @@ -1148,7 +1148,7 @@ static int q6v5_stop(struct rproc *rproc) > return 0; > } > > -static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *q6v5_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct q6v5 *qproc = rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c > index db4b3c4bacd7..4e89d04673a4 100644 > --- a/drivers/remoteproc/qcom_q6v5_pas.c > +++ b/drivers/remoteproc/qcom_q6v5_pas.c > @@ -159,7 +159,7 @@ static int adsp_stop(struct rproc *rproc) > return ret; > } > > -static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c > index f93e1e4a1cc0..f1924b740a10 100644 > --- a/drivers/remoteproc/qcom_q6v5_wcss.c > +++ b/drivers/remoteproc/qcom_q6v5_wcss.c > @@ -406,7 +406,7 @@ static int q6v5_wcss_stop(struct rproc *rproc) > return 0; > } > > -static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct q6v5_wcss *wcss = rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c > index dc135754bb9c..0c7afd038f0d 100644 > --- a/drivers/remoteproc/qcom_wcnss.c > +++ b/drivers/remoteproc/qcom_wcnss.c > @@ -287,7 +287,7 @@ static int wcnss_stop(struct rproc *rproc) > return ret; > } > > -static void *wcnss_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; > int offset; > diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c > index 307df98347ba..5ab094fc1b55 100644 > --- a/drivers/remoteproc/remoteproc_core.c > +++ b/drivers/remoteproc/remoteproc_core.c > @@ -185,7 +185,7 @@ EXPORT_SYMBOL(rproc_va_to_pa); > * here the output of the DMA API for the carveouts, which should be more > * correct. > */ > -void *rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct rproc_mem_entry *carveout; > void *ptr = NULL; > diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h > index 493ef9262411..58580210575c 100644 > --- a/drivers/remoteproc/remoteproc_internal.h > +++ b/drivers/remoteproc/remoteproc_internal.h > @@ -50,7 +50,7 @@ void rproc_exit_sysfs(void); > void rproc_free_vring(struct rproc_vring *rvring); > int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); > > -void *rproc_da_to_va(struct rproc *rproc, u64 da, int len); > +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len); > phys_addr_t rproc_va_to_pa(void *cpu_addr); > int rproc_trigger_recovery(struct rproc *rproc); > > diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c > index 04492fead3c8..09bcb4d8b9e0 100644 > --- a/drivers/remoteproc/st_slim_rproc.c > +++ b/drivers/remoteproc/st_slim_rproc.c > @@ -174,7 +174,7 @@ static int slim_rproc_stop(struct rproc *rproc) > return 0; > } > > -static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct st_slim_rproc *slim_rproc = rproc->priv; > void *va = NULL; > @@ -191,7 +191,7 @@ static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > } > } > > - dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%pK\n", > + dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%pK\n", > da, len, va); > > return va; > diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c > index 3984e585c847..b9349d684258 100644 > --- a/drivers/remoteproc/wkup_m3_rproc.c > +++ b/drivers/remoteproc/wkup_m3_rproc.c > @@ -80,14 +80,14 @@ static int wkup_m3_rproc_stop(struct rproc *rproc) > return 0; > } > > -static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct wkup_m3_rproc *wkupm3 = rproc->priv; > void *va = NULL; > int i; > u32 offset; > > - if (len <= 0) > + if (len == 0) > return NULL; > > for (i = 0; i < WKUPM3_MEM_MAX; i++) { > diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h > index 16ad66683ad0..89215798eaea 100644 > --- a/include/linux/remoteproc.h > +++ b/include/linux/remoteproc.h > @@ -374,7 +374,7 @@ struct rproc_ops { > int (*start)(struct rproc *rproc); > int (*stop)(struct rproc *rproc); > void (*kick)(struct rproc *rproc, int vqid); > - void * (*da_to_va)(struct rproc *rproc, u64 da, int len); > + void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len); > int (*parse_fw)(struct rproc *rproc, const struct firmware *fw); > int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc, > int offset, int avail); > -- > 2.15.0.276.g89ea799 >
On Mon, Mar 02, 2020 at 10:38:55AM +0100, Clement Leger wrote: > With upcoming changes in elf loader for elf64 support, section size will > be a u64. When used with da_to_va, this will potentially lead to > overflow if using the current "int" type for len argument. Change > da_to_va prototype to use a size_t for len and fix all users of this > function. > > Signed-off-by: Clement Leger <cleger@kalray.eu> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> > --- > drivers/remoteproc/imx_rproc.c | 11 ++++++----- > drivers/remoteproc/keystone_remoteproc.c | 4 ++-- > drivers/remoteproc/qcom_q6v5_adsp.c | 2 +- > drivers/remoteproc/qcom_q6v5_mss.c | 2 +- > drivers/remoteproc/qcom_q6v5_pas.c | 2 +- > drivers/remoteproc/qcom_q6v5_wcss.c | 2 +- > drivers/remoteproc/qcom_wcnss.c | 2 +- > drivers/remoteproc/remoteproc_core.c | 2 +- > drivers/remoteproc/remoteproc_internal.h | 2 +- > drivers/remoteproc/st_slim_rproc.c | 4 ++-- > drivers/remoteproc/wkup_m3_rproc.c | 4 ++-- > include/linux/remoteproc.h | 2 +- > 12 files changed, 20 insertions(+), 19 deletions(-) > > diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c > index 3e72b6f38d4b..8957ed271d20 100644 > --- a/drivers/remoteproc/imx_rproc.c > +++ b/drivers/remoteproc/imx_rproc.c > @@ -186,7 +186,7 @@ static int imx_rproc_stop(struct rproc *rproc) > } > > static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, > - int len, u64 *sys) > + size_t len, u64 *sys) > { > const struct imx_rproc_dcfg *dcfg = priv->dcfg; > int i; > @@ -203,19 +203,19 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, > } > } > > - dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%x\n", > + dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%zx\n", > da, len); > return -ENOENT; > } > > -static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct imx_rproc *priv = rproc->priv; > void *va = NULL; > u64 sys; > int i; > > - if (len <= 0) > + if (len == 0) > return NULL; > > /* > @@ -235,7 +235,8 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > } > } > > - dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%p\n", da, len, va); > + dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%p\n", > + da, len, va); > > return va; > } > diff --git a/drivers/remoteproc/keystone_remoteproc.c b/drivers/remoteproc/keystone_remoteproc.c > index 5c4658f00b3d..cd266163a65f 100644 > --- a/drivers/remoteproc/keystone_remoteproc.c > +++ b/drivers/remoteproc/keystone_remoteproc.c > @@ -246,7 +246,7 @@ static void keystone_rproc_kick(struct rproc *rproc, int vqid) > * can be used either by the remoteproc core for loading (when using kernel > * remoteproc loader), or by any rpmsg bus drivers. > */ > -static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct keystone_rproc *ksproc = rproc->priv; > void __iomem *va = NULL; > @@ -255,7 +255,7 @@ static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > size_t size; > int i; > > - if (len <= 0) > + if (len == 0) > return NULL; > > for (i = 0; i < ksproc->num_mems; i++) { > diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c > index e953886b2eb7..2b01f2282062 100644 > --- a/drivers/remoteproc/qcom_q6v5_adsp.c > +++ b/drivers/remoteproc/qcom_q6v5_adsp.c > @@ -270,7 +270,7 @@ static int adsp_stop(struct rproc *rproc) > return ret; > } > > -static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c > index 471128a2e723..3401a17f8ce6 100644 > --- a/drivers/remoteproc/qcom_q6v5_mss.c > +++ b/drivers/remoteproc/qcom_q6v5_mss.c > @@ -1148,7 +1148,7 @@ static int q6v5_stop(struct rproc *rproc) > return 0; > } > > -static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *q6v5_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct q6v5 *qproc = rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c > index db4b3c4bacd7..4e89d04673a4 100644 > --- a/drivers/remoteproc/qcom_q6v5_pas.c > +++ b/drivers/remoteproc/qcom_q6v5_pas.c > @@ -159,7 +159,7 @@ static int adsp_stop(struct rproc *rproc) > return ret; > } > > -static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c > index f93e1e4a1cc0..f1924b740a10 100644 > --- a/drivers/remoteproc/qcom_q6v5_wcss.c > +++ b/drivers/remoteproc/qcom_q6v5_wcss.c > @@ -406,7 +406,7 @@ static int q6v5_wcss_stop(struct rproc *rproc) > return 0; > } > > -static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct q6v5_wcss *wcss = rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c > index dc135754bb9c..0c7afd038f0d 100644 > --- a/drivers/remoteproc/qcom_wcnss.c > +++ b/drivers/remoteproc/qcom_wcnss.c > @@ -287,7 +287,7 @@ static int wcnss_stop(struct rproc *rproc) > return ret; > } > > -static void *wcnss_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; > int offset; > diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c > index 307df98347ba..5ab094fc1b55 100644 > --- a/drivers/remoteproc/remoteproc_core.c > +++ b/drivers/remoteproc/remoteproc_core.c > @@ -185,7 +185,7 @@ EXPORT_SYMBOL(rproc_va_to_pa); > * here the output of the DMA API for the carveouts, which should be more > * correct. > */ > -void *rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct rproc_mem_entry *carveout; > void *ptr = NULL; > diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h > index 493ef9262411..58580210575c 100644 > --- a/drivers/remoteproc/remoteproc_internal.h > +++ b/drivers/remoteproc/remoteproc_internal.h > @@ -50,7 +50,7 @@ void rproc_exit_sysfs(void); > void rproc_free_vring(struct rproc_vring *rvring); > int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); > > -void *rproc_da_to_va(struct rproc *rproc, u64 da, int len); > +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len); > phys_addr_t rproc_va_to_pa(void *cpu_addr); > int rproc_trigger_recovery(struct rproc *rproc); > > diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c > index 04492fead3c8..09bcb4d8b9e0 100644 > --- a/drivers/remoteproc/st_slim_rproc.c > +++ b/drivers/remoteproc/st_slim_rproc.c > @@ -174,7 +174,7 @@ static int slim_rproc_stop(struct rproc *rproc) > return 0; > } > > -static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct st_slim_rproc *slim_rproc = rproc->priv; > void *va = NULL; > @@ -191,7 +191,7 @@ static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > } > } > > - dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%pK\n", > + dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%pK\n", > da, len, va); > > return va; > diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c > index 3984e585c847..b9349d684258 100644 > --- a/drivers/remoteproc/wkup_m3_rproc.c > +++ b/drivers/remoteproc/wkup_m3_rproc.c > @@ -80,14 +80,14 @@ static int wkup_m3_rproc_stop(struct rproc *rproc) > return 0; > } > > -static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct wkup_m3_rproc *wkupm3 = rproc->priv; > void *va = NULL; > int i; > u32 offset; > > - if (len <= 0) > + if (len == 0) > return NULL; > > for (i = 0; i < WKUPM3_MEM_MAX; i++) { > diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h > index 16ad66683ad0..89215798eaea 100644 > --- a/include/linux/remoteproc.h > +++ b/include/linux/remoteproc.h > @@ -374,7 +374,7 @@ struct rproc_ops { > int (*start)(struct rproc *rproc); > int (*stop)(struct rproc *rproc); > void (*kick)(struct rproc *rproc, int vqid); > - void * (*da_to_va)(struct rproc *rproc, u64 da, int len); > + void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len); > int (*parse_fw)(struct rproc *rproc, const struct firmware *fw); > int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc, > int offset, int avail); > -- > 2.15.0.276.g89ea799 >
On Mon, Mar 02, 2020 at 10:38:55AM +0100, Clement Leger wrote: > With upcoming changes in elf loader for elf64 support, section size will > be a u64. When used with da_to_va, this will potentially lead to > overflow if using the current "int" type for len argument. Change > da_to_va prototype to use a size_t for len and fix all users of this > function. > > Signed-off-by: Clement Leger <cleger@kalray.eu> > --- > drivers/remoteproc/imx_rproc.c | 11 ++++++----- Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de> > drivers/remoteproc/keystone_remoteproc.c | 4 ++-- > drivers/remoteproc/qcom_q6v5_adsp.c | 2 +- > drivers/remoteproc/qcom_q6v5_mss.c | 2 +- > drivers/remoteproc/qcom_q6v5_pas.c | 2 +- > drivers/remoteproc/qcom_q6v5_wcss.c | 2 +- > drivers/remoteproc/qcom_wcnss.c | 2 +- > drivers/remoteproc/remoteproc_core.c | 2 +- > drivers/remoteproc/remoteproc_internal.h | 2 +- > drivers/remoteproc/st_slim_rproc.c | 4 ++-- > drivers/remoteproc/wkup_m3_rproc.c | 4 ++-- > include/linux/remoteproc.h | 2 +- > 12 files changed, 20 insertions(+), 19 deletions(-) > > diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c > index 3e72b6f38d4b..8957ed271d20 100644 > --- a/drivers/remoteproc/imx_rproc.c > +++ b/drivers/remoteproc/imx_rproc.c > @@ -186,7 +186,7 @@ static int imx_rproc_stop(struct rproc *rproc) > } > > static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, > - int len, u64 *sys) > + size_t len, u64 *sys) > { > const struct imx_rproc_dcfg *dcfg = priv->dcfg; > int i; > @@ -203,19 +203,19 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, > } > } > > - dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%x\n", > + dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%zx\n", > da, len); > return -ENOENT; > } > > -static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct imx_rproc *priv = rproc->priv; > void *va = NULL; > u64 sys; > int i; > > - if (len <= 0) > + if (len == 0) > return NULL; > > /* > @@ -235,7 +235,8 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > } > } > > - dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%p\n", da, len, va); > + dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%p\n", > + da, len, va); > > return va; > } > diff --git a/drivers/remoteproc/keystone_remoteproc.c b/drivers/remoteproc/keystone_remoteproc.c > index 5c4658f00b3d..cd266163a65f 100644 > --- a/drivers/remoteproc/keystone_remoteproc.c > +++ b/drivers/remoteproc/keystone_remoteproc.c > @@ -246,7 +246,7 @@ static void keystone_rproc_kick(struct rproc *rproc, int vqid) > * can be used either by the remoteproc core for loading (when using kernel > * remoteproc loader), or by any rpmsg bus drivers. > */ > -static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct keystone_rproc *ksproc = rproc->priv; > void __iomem *va = NULL; > @@ -255,7 +255,7 @@ static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > size_t size; > int i; > > - if (len <= 0) > + if (len == 0) > return NULL; > > for (i = 0; i < ksproc->num_mems; i++) { > diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c > index e953886b2eb7..2b01f2282062 100644 > --- a/drivers/remoteproc/qcom_q6v5_adsp.c > +++ b/drivers/remoteproc/qcom_q6v5_adsp.c > @@ -270,7 +270,7 @@ static int adsp_stop(struct rproc *rproc) > return ret; > } > > -static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c > index 471128a2e723..3401a17f8ce6 100644 > --- a/drivers/remoteproc/qcom_q6v5_mss.c > +++ b/drivers/remoteproc/qcom_q6v5_mss.c > @@ -1148,7 +1148,7 @@ static int q6v5_stop(struct rproc *rproc) > return 0; > } > > -static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *q6v5_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct q6v5 *qproc = rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c > index db4b3c4bacd7..4e89d04673a4 100644 > --- a/drivers/remoteproc/qcom_q6v5_pas.c > +++ b/drivers/remoteproc/qcom_q6v5_pas.c > @@ -159,7 +159,7 @@ static int adsp_stop(struct rproc *rproc) > return ret; > } > > -static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c > index f93e1e4a1cc0..f1924b740a10 100644 > --- a/drivers/remoteproc/qcom_q6v5_wcss.c > +++ b/drivers/remoteproc/qcom_q6v5_wcss.c > @@ -406,7 +406,7 @@ static int q6v5_wcss_stop(struct rproc *rproc) > return 0; > } > > -static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct q6v5_wcss *wcss = rproc->priv; > int offset; > diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c > index dc135754bb9c..0c7afd038f0d 100644 > --- a/drivers/remoteproc/qcom_wcnss.c > +++ b/drivers/remoteproc/qcom_wcnss.c > @@ -287,7 +287,7 @@ static int wcnss_stop(struct rproc *rproc) > return ret; > } > > -static void *wcnss_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; > int offset; > diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c > index 307df98347ba..5ab094fc1b55 100644 > --- a/drivers/remoteproc/remoteproc_core.c > +++ b/drivers/remoteproc/remoteproc_core.c > @@ -185,7 +185,7 @@ EXPORT_SYMBOL(rproc_va_to_pa); > * here the output of the DMA API for the carveouts, which should be more > * correct. > */ > -void *rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct rproc_mem_entry *carveout; > void *ptr = NULL; > diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h > index 493ef9262411..58580210575c 100644 > --- a/drivers/remoteproc/remoteproc_internal.h > +++ b/drivers/remoteproc/remoteproc_internal.h > @@ -50,7 +50,7 @@ void rproc_exit_sysfs(void); > void rproc_free_vring(struct rproc_vring *rvring); > int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); > > -void *rproc_da_to_va(struct rproc *rproc, u64 da, int len); > +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len); > phys_addr_t rproc_va_to_pa(void *cpu_addr); > int rproc_trigger_recovery(struct rproc *rproc); > > diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c > index 04492fead3c8..09bcb4d8b9e0 100644 > --- a/drivers/remoteproc/st_slim_rproc.c > +++ b/drivers/remoteproc/st_slim_rproc.c > @@ -174,7 +174,7 @@ static int slim_rproc_stop(struct rproc *rproc) > return 0; > } > > -static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct st_slim_rproc *slim_rproc = rproc->priv; > void *va = NULL; > @@ -191,7 +191,7 @@ static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > } > } > > - dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%pK\n", > + dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%pK\n", > da, len, va); > > return va; > diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c > index 3984e585c847..b9349d684258 100644 > --- a/drivers/remoteproc/wkup_m3_rproc.c > +++ b/drivers/remoteproc/wkup_m3_rproc.c > @@ -80,14 +80,14 @@ static int wkup_m3_rproc_stop(struct rproc *rproc) > return 0; > } > > -static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, int len) > +static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > { > struct wkup_m3_rproc *wkupm3 = rproc->priv; > void *va = NULL; > int i; > u32 offset; > > - if (len <= 0) > + if (len == 0) > return NULL; > > for (i = 0; i < WKUPM3_MEM_MAX; i++) { > diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h > index 16ad66683ad0..89215798eaea 100644 > --- a/include/linux/remoteproc.h > +++ b/include/linux/remoteproc.h > @@ -374,7 +374,7 @@ struct rproc_ops { > int (*start)(struct rproc *rproc); > int (*stop)(struct rproc *rproc); > void (*kick)(struct rproc *rproc, int vqid); > - void * (*da_to_va)(struct rproc *rproc, u64 da, int len); > + void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len); > int (*parse_fw)(struct rproc *rproc, const struct firmware *fw); > int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc, > int offset, int avail); > -- > 2.15.0.276.g89ea799 > > >
diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 3e72b6f38d4b..8957ed271d20 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -186,7 +186,7 @@ static int imx_rproc_stop(struct rproc *rproc) } static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, - int len, u64 *sys) + size_t len, u64 *sys) { const struct imx_rproc_dcfg *dcfg = priv->dcfg; int i; @@ -203,19 +203,19 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, } } - dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%x\n", + dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%zx\n", da, len); return -ENOENT; } -static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len) +static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct imx_rproc *priv = rproc->priv; void *va = NULL; u64 sys; int i; - if (len <= 0) + if (len == 0) return NULL; /* @@ -235,7 +235,8 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len) } } - dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%p\n", da, len, va); + dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%p\n", + da, len, va); return va; } diff --git a/drivers/remoteproc/keystone_remoteproc.c b/drivers/remoteproc/keystone_remoteproc.c index 5c4658f00b3d..cd266163a65f 100644 --- a/drivers/remoteproc/keystone_remoteproc.c +++ b/drivers/remoteproc/keystone_remoteproc.c @@ -246,7 +246,7 @@ static void keystone_rproc_kick(struct rproc *rproc, int vqid) * can be used either by the remoteproc core for loading (when using kernel * remoteproc loader), or by any rpmsg bus drivers. */ -static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len) +static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct keystone_rproc *ksproc = rproc->priv; void __iomem *va = NULL; @@ -255,7 +255,7 @@ static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len) size_t size; int i; - if (len <= 0) + if (len == 0) return NULL; for (i = 0; i < ksproc->num_mems; i++) { diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c index e953886b2eb7..2b01f2282062 100644 --- a/drivers/remoteproc/qcom_q6v5_adsp.c +++ b/drivers/remoteproc/qcom_q6v5_adsp.c @@ -270,7 +270,7 @@ static int adsp_stop(struct rproc *rproc) return ret; } -static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; int offset; diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 471128a2e723..3401a17f8ce6 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -1148,7 +1148,7 @@ static int q6v5_stop(struct rproc *rproc) return 0; } -static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len) +static void *q6v5_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct q6v5 *qproc = rproc->priv; int offset; diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index db4b3c4bacd7..4e89d04673a4 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -159,7 +159,7 @@ static int adsp_stop(struct rproc *rproc) return ret; } -static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; int offset; diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c index f93e1e4a1cc0..f1924b740a10 100644 --- a/drivers/remoteproc/qcom_q6v5_wcss.c +++ b/drivers/remoteproc/qcom_q6v5_wcss.c @@ -406,7 +406,7 @@ static int q6v5_wcss_stop(struct rproc *rproc) return 0; } -static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, int len) +static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct q6v5_wcss *wcss = rproc->priv; int offset; diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c index dc135754bb9c..0c7afd038f0d 100644 --- a/drivers/remoteproc/qcom_wcnss.c +++ b/drivers/remoteproc/qcom_wcnss.c @@ -287,7 +287,7 @@ static int wcnss_stop(struct rproc *rproc) return ret; } -static void *wcnss_da_to_va(struct rproc *rproc, u64 da, int len) +static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; int offset; diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 307df98347ba..5ab094fc1b55 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -185,7 +185,7 @@ EXPORT_SYMBOL(rproc_va_to_pa); * here the output of the DMA API for the carveouts, which should be more * correct. */ -void *rproc_da_to_va(struct rproc *rproc, u64 da, int len) +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct rproc_mem_entry *carveout; void *ptr = NULL; diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h index 493ef9262411..58580210575c 100644 --- a/drivers/remoteproc/remoteproc_internal.h +++ b/drivers/remoteproc/remoteproc_internal.h @@ -50,7 +50,7 @@ void rproc_exit_sysfs(void); void rproc_free_vring(struct rproc_vring *rvring); int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); -void *rproc_da_to_va(struct rproc *rproc, u64 da, int len); +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len); phys_addr_t rproc_va_to_pa(void *cpu_addr); int rproc_trigger_recovery(struct rproc *rproc); diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c index 04492fead3c8..09bcb4d8b9e0 100644 --- a/drivers/remoteproc/st_slim_rproc.c +++ b/drivers/remoteproc/st_slim_rproc.c @@ -174,7 +174,7 @@ static int slim_rproc_stop(struct rproc *rproc) return 0; } -static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len) +static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct st_slim_rproc *slim_rproc = rproc->priv; void *va = NULL; @@ -191,7 +191,7 @@ static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len) } } - dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%pK\n", + dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%pK\n", da, len, va); return va; diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c index 3984e585c847..b9349d684258 100644 --- a/drivers/remoteproc/wkup_m3_rproc.c +++ b/drivers/remoteproc/wkup_m3_rproc.c @@ -80,14 +80,14 @@ static int wkup_m3_rproc_stop(struct rproc *rproc) return 0; } -static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, int len) +static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) { struct wkup_m3_rproc *wkupm3 = rproc->priv; void *va = NULL; int i; u32 offset; - if (len <= 0) + if (len == 0) return NULL; for (i = 0; i < WKUPM3_MEM_MAX; i++) { diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h index 16ad66683ad0..89215798eaea 100644 --- a/include/linux/remoteproc.h +++ b/include/linux/remoteproc.h @@ -374,7 +374,7 @@ struct rproc_ops { int (*start)(struct rproc *rproc); int (*stop)(struct rproc *rproc); void (*kick)(struct rproc *rproc, int vqid); - void * (*da_to_va)(struct rproc *rproc, u64 da, int len); + void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len); int (*parse_fw)(struct rproc *rproc, const struct firmware *fw); int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc, int offset, int avail);
With upcoming changes in elf loader for elf64 support, section size will be a u64. When used with da_to_va, this will potentially lead to overflow if using the current "int" type for len argument. Change da_to_va prototype to use a size_t for len and fix all users of this function. Signed-off-by: Clement Leger <cleger@kalray.eu> --- drivers/remoteproc/imx_rproc.c | 11 ++++++----- drivers/remoteproc/keystone_remoteproc.c | 4 ++-- drivers/remoteproc/qcom_q6v5_adsp.c | 2 +- drivers/remoteproc/qcom_q6v5_mss.c | 2 +- drivers/remoteproc/qcom_q6v5_pas.c | 2 +- drivers/remoteproc/qcom_q6v5_wcss.c | 2 +- drivers/remoteproc/qcom_wcnss.c | 2 +- drivers/remoteproc/remoteproc_core.c | 2 +- drivers/remoteproc/remoteproc_internal.h | 2 +- drivers/remoteproc/st_slim_rproc.c | 4 ++-- drivers/remoteproc/wkup_m3_rproc.c | 4 ++-- include/linux/remoteproc.h | 2 +- 12 files changed, 20 insertions(+), 19 deletions(-)