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d=kalray.eu; s=32AE1B44-9502-11E5-BA35-3734643DEF29; t=1583141950; bh=BOhOpru18Of74fw47ZNccGiGJomWkztVNB+6BbXS6HY=; h=From:To:Date:Message-Id; b=XA+y5KXxRJ7eFxhlm9UvDU2NZq9O0ELJdtQT+NeIj7Afl+m1WyqGuTHd4Ii5vKUd6 52Y74XZSE6hoDVlWMCFzpz1j/MWKEkh2WFflGHXbcpej+WGJ3X8GV+NFGl+MZClLwP RhIclI6WA+3xV4Ad3LsRiz5xLFnDUECAemVLdbSE= X-Virus-Scanned: amavisd-new at zimbra2.kalray.eu Received: from zimbra2.kalray.eu ([127.0.0.1]) by localhost (zimbra2.kalray.eu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id g0bbFj1eC0uq; Mon, 2 Mar 2020 10:39:10 +0100 (CET) Received: from triton.lin.mbt.kalray.eu (unknown [192.168.37.25]) by zimbra2.kalray.eu (Postfix) with ESMTPSA id 24F3827E035B; Mon, 2 Mar 2020 10:39:10 +0100 (CET) From: Clement Leger To: Ohad Ben-Cohen , Bjorn Andersson , Jonathan Corbet , Shawn Guo , Sascha Hauer , linux-remoteproc@vger.kernel.org Subject: [PATCH v5 1/8] remoteproc: Use size_t type for len in da_to_va Date: Mon, 2 Mar 2020 10:38:55 +0100 Message-Id: <20200302093902.27849-2-cleger@kalray.eu> X-Mailer: git-send-email 2.15.0.276.g89ea799 In-Reply-To: <20200302093902.27849-1-cleger@kalray.eu> References: <20200210162209.23149-1-cleger@kalray.eu> <20200302093902.27849-1-cleger@kalray.eu> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200302_013914_413637_A7A4CD65 X-CRM114-Status: GOOD ( 12.13 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [92.103.151.219 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mathieu Poirier , Loic PALLARDY , linux-doc@vger.kernel.org, linux-arm-msm@vger.kernel.org, Arnaud Pouliquen , Patrice Chotard , linux-kernel@vger.kernel.org, Clement Leger , Andy Gross , NXP Linux Team , Pengutronix Kernel Team , s-anna , Fabio Estevam , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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 Reviewed-by: Bjorn Andersson Reviewed-by: Mathieu Poirier Reviewed-by: Oleksij Rempel --- 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);