korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-09-22 12:44:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

btrfs: sysfs label interface should check for read only FS

Browse Source 
Not sure how this escaped many eyes so far

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Anand Jain 2014-07-30 20:04:10 +08:00 committed by Chris Mason
parent 20ee0825ec
commit 79aec2b80d
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/btrfs/sysfs.c
View File

@ -377,6 +377,9 @@ static ssize_t btrfs_label_store(struct kobject *kobj,
int ret;
size_t p_len;
if (fs_info->sb->s_flags & MS_RDONLY)
return -EROFS;
/*
* p_len is the len until the first occurrence of either
* '\n' or '\0'