Commit 0bb4a6f2 authored Apr 03, 2018 by Al Viro Committed by Greg Kroah-Hartman Apr 24, 2018

orangefs_kill_sb(): deal with allocation failures



commit 659038428cb43a66e3eff71e2c845c9de3611a98 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent bb5def77

fs/orangefs/super.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -594,6 +594,11 @@ void orangefs_kill_sb(struct super_block *sb)
		/* provided sb cleanup */
		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
		* dynamic mount info it has for this superblock