forked from luck/tmp_suning_uos_patched
ext4: error proc entry creation when the fs/ext4 is not correctly created
When the directory fs/ext4 is not correctly created under proc, the entry under this directory should not be created. Signed-off-by: Shen Feng <shen@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
parent
f795e14073
commit
cfbe7e4f5e
|
@ -2661,6 +2661,10 @@ static int ext4_mb_init_per_dev_proc(struct super_block *sb)
|
|||
struct proc_dir_entry *proc;
|
||||
char devname[64];
|
||||
|
||||
if (proc_root_ext4 == NULL) {
|
||||
sbi->s_mb_proc = NULL;
|
||||
return -EINVAL;
|
||||
}
|
||||
bdevname(sb->s_bdev, devname);
|
||||
sbi->s_mb_proc = proc_mkdir(devname, proc_root_ext4);
|
||||
|
||||
|
|
Loading…
Reference in New Issue
Block a user