path: root/fs/ocfs2/dlm/dlmdomain.c
diff options
authorJun Piao <piaojun@huawei.com>2016-03-15 14:53:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-15 16:55:16 -0700
commit8d67d3c2444fd3bb787cc6c27053717c01155966 (patch)
tree9797483bceccbc98ec0959b08a00f829d9fde9ea /fs/ocfs2/dlm/dlmdomain.c
parentocfs2: fix a tiny race that leads file system read-only (diff)
ocfs2/dlm: fix a variable overflow problem in dlmdomain.c
In dlm_send_join_cancels(), node is defined with type unsigned int, but initialized with -1, this will lead variable overflow. Although this won't cause any runtime problem, the code looks a little uncoordinated. Signed-off-by: Jun Piao <piaojun@huawei.com> Reviewed-by: Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index c73c68efdf67..12e064b8be9a 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -1399,7 +1399,7 @@ static int dlm_send_join_cancels(struct dlm_ctxt *dlm,
unsigned int map_size)
int status, tmpstat;
- unsigned int node;
+ int node;
if (map_size != (BITS_TO_LONGS(O2NM_MAX_NODES) *
sizeof(unsigned long))) {