[PATCH 14/20] pinctrl: Allocate sizeof(*p) instead of sizeof(struct foo)

From: Stephen Warren
Date: Mon Feb 20 2012 - 01:49:28 EST


This hopefully makes it harder to take the sizeof the wrong type.

Signed-off-by: Stephen Warren <swarren@xxxxxxxxxx>
---
drivers/pinctrl/core.c | 8 ++++----
drivers/pinctrl/pinmux.c | 2 +-
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 5a435f4..b8e6112 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -502,7 +502,7 @@ static struct pinctrl *pinctrl_get_locked(struct device *dev, const char *name)
* mapping, this is what consumers will get when requesting
* a pin control handle with pinctrl_get()
*/
- p = kzalloc(sizeof(struct pinctrl), GFP_KERNEL);
+ p = kzalloc(sizeof(*p), GFP_KERNEL);
if (p == NULL) {
dev_err(dev, "failed to alloc struct pinctrl\n");
return ERR_PTR(-ENOMEM);
@@ -522,7 +522,7 @@ static struct pinctrl *pinctrl_get_locked(struct device *dev, const char *name)
pinmux_put(p);
kfree(p);
/* Eventually, this should trigger deferred probe */
- return -ENODEV;
+ return ERR_PTR(-ENODEV);
}

dev_dbg(dev, "in map, found pctldev %s to handle function %s",
@@ -719,7 +719,7 @@ static int pinctrl_hog_map(struct pinctrl_dev *pctldev,
struct pinctrl *p;
int ret;

- hog = kzalloc(sizeof(struct pinctrl_hog), GFP_KERNEL);
+ hog = kzalloc(sizeof(*hog), GFP_KERNEL);
if (!hog) {
dev_err(pctldev->dev, "failed to alloc struct pinctrl_hog\n");
return -ENOMEM;
@@ -1153,7 +1153,7 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
if (pctldesc->name == NULL)
return NULL;

- pctldev = kzalloc(sizeof(struct pinctrl_dev), GFP_KERNEL);
+ pctldev = kzalloc(sizeof(*pctldev), GFP_KERNEL);
if (pctldev == NULL) {
dev_err(dev, "failed to alloc struct pinctrl_dev\n");
return NULL;
diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 2887897..98b89d6 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -491,7 +491,7 @@ static int pinmux_enable_muxmap(struct pinctrl_dev *pctldev,
p->func_selector = func_selector;

/* Now add this group selector, we may have many of them */
- grp = kmalloc(sizeof(struct pinmux_group), GFP_KERNEL);
+ grp = kmalloc(sizeof(*grp), GFP_KERNEL);
if (!grp)
return -ENOMEM;
grp->group_selector = group_selector;
--
1.7.5.4

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