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ocfs2/dlm: fix a variable overflow problem in dlmdomain.c

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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>
This commit is contained in:
Jun Piao 2016-03-15 14:53:23 -07:00 committed by Linus Torvalds
parent 814ce69432
commit 8d67d3c244
1 changed files with 1 additions and 1 deletions
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2
fs/ocfs2/dlm/dlmdomain.c
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@ -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))) {