dm: use vzalloc

Use vzalloc() instead of vmalloc()+memset().

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 306ce123d6b4..3b52bb72bd1f 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -492,7 +492,7 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
         memset(lc->sync_bits, (sync == NOSYNC) ? -1 : 0, bitset_size);
         lc->sync_count = (sync == NOSYNC) ? region_count : 0;
 
-        lc->recovering_bits = vmalloc(bitset_size);
+        lc->recovering_bits = vzalloc(bitset_size);
         if (!lc->recovering_bits) {
                 DMWARN("couldn't allocate sync bitset");
                 vfree(lc->sync_bits);
@@ -504,7 +504,6 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
                 kfree(lc);
                 return -ENOMEM;
         }
-        memset(lc->recovering_bits, 0, bitset_size);
         lc->sync_search = 0;
         log->context = lc;