dm writecache: fix uninitialized variable warning

This fixes coverity warning CID 1454301.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index d06b8aa41e261847263f05f2ca74979f72ef45f3..ea7b8be0b833ac644027553567d644d37202304b 100644 (file)
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -1561,7 +1561,7 @@ static void writecache_writeback(struct work_struct *work)
 {
        struct dm_writecache *wc = container_of(work, struct dm_writecache, writeback_work);
        struct blk_plug plug;
-       struct wc_entry *f, *g, *e = NULL;
+       struct wc_entry *f, *uninitialized_var(g), *e = NULL;
        struct rb_node *node, *next_node;
        struct list_head skipped;
        struct writeback_list wbl;