treewide: Replace kmalloc with kmalloc_obj for non-scalar types

This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:

Single allocations:	kmalloc(sizeof(TYPE), ...)
are replaced with:	kmalloc_obj(TYPE, ...)

Array allocations:	kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with:	kmalloc_objs(TYPE, COUNT, ...)

Flex array allocations:	kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with:	kmalloc_flex(*PTR, FAM, COUNT, ...)

(where TYPE may also be *VAR)

The resulting allocations no longer return "void *", instead returning
"TYPE *".

Signed-off-by: Kees Cook <kees@kernel.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 1e9b7e85d99a..c6e155a150a5 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -371,7 +371,7 @@ struct backlight_device *backlight_device_register(const char *name,
 
 	pr_debug("backlight_device_register: name=%s\n", name);
 
-	new_bd = kzalloc(sizeof(struct backlight_device), GFP_KERNEL);
+	new_bd = kzalloc_obj(struct backlight_device, GFP_KERNEL);
 	if (!new_bd)
 		return ERR_PTR(-ENOMEM);
 
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index affe5c52471a..d33c4f370075 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -197,7 +197,7 @@ struct lcd_device *lcd_device_register(const char *name, struct device *parent,
 
 	pr_debug("lcd_device_register: name=%s\n", name);
 
-	new_ld = kzalloc(sizeof(struct lcd_device), GFP_KERNEL);
+	new_ld = kzalloc_obj(struct lcd_device, GFP_KERNEL);
 	if (!new_ld)
 		return ERR_PTR(-ENOMEM);