Commit e8b23722 authored Nov 10, 2016 by Lai Siyao Committed by Greg Kroah-Hartman Nov 14, 2016

staging: lustre: statahead: lock leaks if statahead file recreated



During statahead file may be recreated, though this is rare case,
current code will leak the lock, this patch will release lock in
this case.

Signed-off-by: Lai Siyao <lai.siyao@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7232
Reviewed-on: http://review.whamcloud.com/16841


Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent c7298013

drivers/staging/lustre/lustre/llite/statahead.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1475,6 +1475,7 @@ static int revalidate_statahead_dentry(struct inode *dir,

		alias = ll_splice_alias(inode, *dentryp);
		if (IS_ERR(alias)) {
		ll_intent_release(&it);
		rc = PTR_ERR(alias);
		goto out_unplug;
		}
		@@ -1493,6 +1494,7 @@ static int revalidate_statahead_dentry(struct inode *dir,
		*dentryp,
		PFID(ll_inode2fid((*dentryp)->d_inode)),
		PFID(ll_inode2fid(inode)));
		ll_intent_release(&it);
		rc = -ESTALE;
		goto out_unplug;
		}

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