[PATCH] coccinelle: api: fix kobj_to_dev.cocci warnings

From: Julia Lawall
Date: Wed Aug 26 2020 - 16:54:10 EST


From: kernel test robot <lkp@xxxxxxxxx>

Use kobj_to_dev() instead of container_of()

Generated by: scripts/coccinelle/api/kobj_to_dev.cocci

Fixes: a2fc3718bc22 ("coccinelle: api: add kobj_to_dev.cocci script")
CC: Denis Efremov <efremov@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>

---

tree: https://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux.git for-5.10
head: a2fc3718bc22e85378085568ecc5765fb28cabce
commit: a2fc3718bc22e85378085568ecc5765fb28cabce [3/3] coccinelle: api: add kobj_to_dev.cocci script
:::::: branch date: 5 days ago
:::::: commit date: 5 days ago

udlfb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -1457,7 +1457,7 @@ static ssize_t edid_show(
struct file *filp,
struct kobject *kobj, struct bin_attribute *a,
char *buf, loff_t off, size_t count) {
- struct device *fbdev = container_of(kobj, struct device, kobj);
+ struct device *fbdev = kobj_to_dev(kobj);
struct fb_info *fb_info = dev_get_drvdata(fbdev);
struct dlfb_data *dlfb = fb_info->par;

@@ -1479,7 +1479,7 @@ static ssize_t edid_store(
struct file *filp,
struct kobject *kobj, struct bin_attribute *a,
char *src, loff_t src_off, size_t src_size) {
- struct device *fbdev = container_of(kobj, struct device, kobj);
+ struct device *fbdev = kobj_to_dev(kobj);
struct fb_info *fb_info = dev_get_drvdata(fbdev);
struct dlfb_data *dlfb = fb_info->par;
int ret;