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Commit 65903842 authored by Al Viro's avatar Al Viro
Browse files

orangefs_kill_sb(): deal with allocation failures 



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

Cc: stable@kernel.org
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c66b23c2

fs/orangefs/super.c

+5 −0
Original line number Diff line number Diff line
@@ -579,6 +579,11 @@ 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