[PATCH tty-next 4/6] devpts: Make devpts_kill_sb safe if fsi is NULL

[Eric W. Biederman]

Signed-off-by: "Eric W. Biederman" <ebied...@xmission.com>
---
 fs/devpts/inode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index a48b40b0bd1e..e058ec677207 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -458,7 +458,8 @@ static void devpts_kill_sb(struct super_block *sb)
 {
        struct pts_fs_info *fsi = DEVPTS_SB(sb);
 
-       ida_destroy(&fsi->allocated_ptys);
+       if (fsi)
+               ida_destroy(&fsi->allocated_ptys);
        kfree(fsi);
        kill_litter_super(sb);
 }
-- 
2.8.3