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authorJens Axboe <jaxboe@fusionio.com>2010-10-19 09:13:04 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-10-19 09:13:04 +0200
commitfa251f89903d73989e2f63e13d0eaed1e07ce0da (patch)
tree3f7fe779941e3b6d67754dd7c44a32f48ea47c74 /fs/ocfs2/dlm/dlmdebug.c
parentdd3932eddf428571762596e17b65f5dc92ca361b (diff)
parentcd07202cc8262e1669edff0d97715f3dd9260917 (diff)
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
Conflicts: block/blk-core.c drivers/block/loop.c mm/swapfile.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'fs/ocfs2/dlm/dlmdebug.c')
-rw-r--r--fs/ocfs2/dlm/dlmdebug.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c
index 5efdd37dfe48..901ca52bf86b 100644
--- a/fs/ocfs2/dlm/dlmdebug.c
+++ b/fs/ocfs2/dlm/dlmdebug.c
@@ -636,8 +636,14 @@ static void *lockres_seq_start(struct seq_file *m, loff_t *pos)
spin_lock(&dlm->track_lock);
if (oldres)
track_list = &oldres->tracking;
- else
+ else {
track_list = &dlm->tracking_list;
+ if (list_empty(track_list)) {
+ dl = NULL;
+ spin_unlock(&dlm->track_lock);
+ goto bail;
+ }
+ }
list_for_each_entry(res, track_list, tracking) {
if (&res->tracking == &dlm->tracking_list)
@@ -660,6 +666,7 @@ static void *lockres_seq_start(struct seq_file *m, loff_t *pos)
} else
dl = NULL;
+bail:
/* passed to seq_show */
return dl;
}