Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

orangefs_kill_sb(): deal with allocation failures

Browse source 
orangefs_fill_sb() might've failed to allocate ORANGEFS_SB(s); don't
oops in that case.

Cc: stable@kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-04-03 00:13:17 -04:00
parent c66b23c284
commit 659038428c
1 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
fs/orangefs/super.c
View file

@ -579,6 +579,11 @@ void orangefs_kill_sb(struct super_block *sb)
/* provided sb cleanup */ /* provided sb cleanup */
kill_anon_super(sb); kill_anon_super(sb);
if (!ORANGEFS_SB(sb)) {
mutex_lock(&orangefs_request_mutex);
mutex_unlock(&orangefs_request_mutex);
return;
}
/* /*
* issue the unmount to userspace to tell it to remove the * issue the unmount to userspace to tell it to remove the
* dynamic mount info it has for this superblock * dynamic mount info it has for this superblock