Re: [PATCH] sysfs: replace WARN() with pr_debug in sysfs_remove_group()

Grep, On 2017/8/2 2:06, Greg KH wrote: On Tue, Aug 01, 2017 at 05:02:25PM +0900, Ethan Zhao wrote: There is no enough error handling in block device adding/registration path, for example, device_add_disk() blk_register_queue() When kernel returns from device_add_disk(), no return value

[PATCH] sysfs: replace WARN() with pr_debug in sysfs_remove_group()

() as shortcut before refactoring all related block device code. This issue also could be reproduced with stable v4.12 kernel. Reported-by: Lifei Cai <lifei@oracle.com> Signed-off-by: Ethan Zhao <ethan.z...@oracle.com> --- Built and tested with stable v4.12 fs/sysfs/group.c | 3 +-- 1