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PNP: Remove pnp_alloc()

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The kernel will complain anyway if it runs out of memory, so it is
not necessary to print an extra error message when that happens and
kzalloc() can be called directly instead of pnp_alloc() which then
becomes redundant and can be dropped.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Heiner Kallweit 2021-05-12 22:36:12 +02:00 committed by Rafael J. Wysocki
parent daadabfbd3
commit b15fc7c2c8
4 changed files with 3 additions and 16 deletions
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1
drivers/pnp/base.h
View File

@ -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);

2
drivers/pnp/card.c
View File

@ -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;

12
drivers/pnp/core.c
View File

@ -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);

4
drivers/pnp/interface.c
View File

@ -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;