svn commit: r194399 - user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Kip Macy]

Author: kmacy
Date: Wed Jun 17 21:03:27 2009
New Revision: 194399
URL: http://svn.freebsd.org/changeset/base/194399

Log:
  don't unlock if we don't have the lock

Modified:
  user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c

Modified: user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c
==============================================================================
--- user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c	Wed Jun 17 20:56:03 2009	(r194398)
+++ user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c	Wed Jun 17 21:03:27 2009	(r194399)
@@ -305,10 +305,9 @@ dmu_zfetch_find(zfetch_t *zf, zstream_t 
 	 * modified in a number of different ways.
 	 */
 
-	if (rw_tryenter(&zf->zf_rwlock, RW_READER) == 0) {
-		rc = 1;
-		goto out;
-	}
+	if (rw_tryenter(&zf->zf_rwlock, RW_READER) == 0) 
+		return (1);
+
 top:
 
 	for (zs = list_head(&zf->zf_stream); zs;