# \[PATCH\] coccinelle: api: fix kobj\_to\_dev.cocci warnings - From: Julia Lawall \ - Date: 2020-08-26 20:54:11 - List: linux-fbdev - Page: https://ratatoskr.run/linux-fbdev/2020/08/6084242 - Thread: https://ratatoskr.run/linux-fbdev/2020/08/6084242/t.md ```text From: kernel test robot 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 Signed-off-by: kernel test robot Signed-off-by: Julia Lawall --- 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; ```