| Message ID | 2c94aae5-2dd5-0046-bacb-c09770bf5d82@gmail.com (mailing list archive) |
|---|---|
| State | Mainlined, archived |
| Headers | show |
| Series | pnp: Remove pnp_alloc | expand |
On Thu, May 13, 2021 at 12:25 AM Heiner Kallweit <hkallweit1@gmail.com> wrote: > > Kernel will complain anyway if it runs out of memory. Therefore we > don't need the error message in pnp_alloc() and hence can remove it > and use kzalloc() directly. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> > --- > drivers/pnp/base.h | 1 - > drivers/pnp/card.c | 2 +- > drivers/pnp/core.c | 12 ------------ > drivers/pnp/interface.c | 4 ++-- > 4 files changed, 3 insertions(+), 16 deletions(-) > > diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h > index cdcfa39cf..e74a0f6a3 100644 > --- a/drivers/pnp/base.h > +++ b/drivers/pnp/base.h > @@ -6,7 +6,6 @@ > > extern struct mutex pnp_lock; > extern const struct attribute_group *pnp_dev_groups[]; > -void *pnp_alloc(long size); > > int pnp_register_protocol(struct pnp_protocol *protocol); > void pnp_unregister_protocol(struct pnp_protocol *protocol); > diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c > index c2464ee08..2430c14f4 100644 > --- a/drivers/pnp/card.c > +++ b/drivers/pnp/card.c > @@ -80,7 +80,7 @@ static int card_probe(struct pnp_card *card, struct pnp_card_driver *drv) > if (!id) > return 0; > > - clink = pnp_alloc(sizeof(*clink)); > + clink = kzalloc(sizeof(*clink), GFP_KERNEL); > if (!clink) > return 0; > clink->card = card; > diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c > index a50ab002e..ccdfbf397 100644 > --- a/drivers/pnp/core.c > +++ b/drivers/pnp/core.c > @@ -31,18 +31,6 @@ DEFINE_MUTEX(pnp_lock); > int pnp_platform_devices; > EXPORT_SYMBOL(pnp_platform_devices); > > -void *pnp_alloc(long size) > -{ > - void *result; > - > - result = kzalloc(size, GFP_KERNEL); > - if (!result) { > - printk(KERN_ERR "pnp: Out of Memory\n"); > - return NULL; > - } > - return result; > -} > - > static void pnp_remove_protocol(struct pnp_protocol *protocol) > { > mutex_lock(&pnp_lock); > diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c > index 602c46893..44efcdb87 100644 > --- a/drivers/pnp/interface.c > +++ b/drivers/pnp/interface.c > @@ -214,7 +214,7 @@ static ssize_t options_show(struct device *dmdev, struct device_attribute *attr, > int ret, dep = 0, set = 0; > char *indent; > > - buffer = pnp_alloc(sizeof(pnp_info_buffer_t)); > + buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); > if (!buffer) > return -ENOMEM; > > @@ -257,7 +257,7 @@ static ssize_t resources_show(struct device *dmdev, > if (!dev) > return -EINVAL; > > - buffer = pnp_alloc(sizeof(pnp_info_buffer_t)); > + buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); > if (!buffer) > return -ENOMEM; > > -- Applied as 5.14 material with edits in the subject and changelog, thanks!
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h index cdcfa39cf..e74a0f6a3 100644 --- a/drivers/pnp/base.h +++ b/drivers/pnp/base.h @@ -6,7 +6,6 @@ extern struct mutex pnp_lock; extern const struct attribute_group *pnp_dev_groups[]; -void *pnp_alloc(long size); int pnp_register_protocol(struct pnp_protocol *protocol); void pnp_unregister_protocol(struct pnp_protocol *protocol); diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c index c2464ee08..2430c14f4 100644 --- a/drivers/pnp/card.c +++ b/drivers/pnp/card.c @@ -80,7 +80,7 @@ static int card_probe(struct pnp_card *card, struct pnp_card_driver *drv) if (!id) return 0; - clink = pnp_alloc(sizeof(*clink)); + clink = kzalloc(sizeof(*clink), GFP_KERNEL); if (!clink) return 0; clink->card = card; diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index a50ab002e..ccdfbf397 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -31,18 +31,6 @@ DEFINE_MUTEX(pnp_lock); int pnp_platform_devices; EXPORT_SYMBOL(pnp_platform_devices); -void *pnp_alloc(long size) -{ - void *result; - - result = kzalloc(size, GFP_KERNEL); - if (!result) { - printk(KERN_ERR "pnp: Out of Memory\n"); - return NULL; - } - return result; -} - static void pnp_remove_protocol(struct pnp_protocol *protocol) { mutex_lock(&pnp_lock); diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c index 602c46893..44efcdb87 100644 --- a/drivers/pnp/interface.c +++ b/drivers/pnp/interface.c @@ -214,7 +214,7 @@ static ssize_t options_show(struct device *dmdev, struct device_attribute *attr, int ret, dep = 0, set = 0; char *indent; - buffer = pnp_alloc(sizeof(pnp_info_buffer_t)); + buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); if (!buffer) return -ENOMEM; @@ -257,7 +257,7 @@ static ssize_t resources_show(struct device *dmdev, if (!dev) return -EINVAL; - buffer = pnp_alloc(sizeof(pnp_info_buffer_t)); + buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); if (!buffer) return -ENOMEM;
Kernel will complain anyway if it runs out of memory. Therefore we don't need the error message in pnp_alloc() and hence can remove it and use kzalloc() directly. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- drivers/pnp/base.h | 1 - drivers/pnp/card.c | 2 +- drivers/pnp/core.c | 12 ------------ drivers/pnp/interface.c | 4 ++-- 4 files changed, 3 insertions(+), 16 deletions(-)