pinctrl: allocate sizeof(*p) instead of sizeof(struct foo)

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

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 1d59430..2cc8f72 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -502,7 +502,7 @@
 	 * 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);
@@ -726,7 +726,7 @@
 	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;
@@ -1160,7 +1160,7 @@
 	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;