orangefs_kill_sb(): deal with allocation failures
commit 659038428c
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>
pull/10/head
parent
bb5def77d0
commit
0bb4a6f2ff
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@ -594,6 +594,11 @@ void orangefs_kill_sb(struct super_block *sb)
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/* provided sb cleanup */
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kill_anon_super(sb);
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if (!ORANGEFS_SB(sb)) {
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mutex_lock(&orangefs_request_mutex);
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mutex_unlock(&orangefs_request_mutex);
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return;
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}
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/*
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* issue the unmount to userspace to tell it to remove the
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* dynamic mount info it has for this superblock
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