md-cluster: zero cmsg before it was sent

Signed-off-by: Guoqing Jiang <gqjiang@suse.com>

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 8bddd7882292597fe280e9e6fd757aa0b492a7bf..c7b8027cebdd7c78fcb5e7b54f4e565988c433cb 100644 (file)
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -882,7 +882,7 @@ static int resync_start(struct mddev *mddev)
 static int resync_info_update(struct mddev *mddev, sector_t lo, sector_t hi)
 {
        struct md_cluster_info *cinfo = mddev->cluster_info;
-       struct cluster_msg cmsg;
+       struct cluster_msg cmsg = {0};
 
        add_resync_info(mddev, cinfo->bitmap_lockres, lo, hi);
        /* Re-acquire the lock to refresh LVB */
@@ -982,7 +982,7 @@ static int new_disk_ack(struct mddev *mddev, bool ack)
 
 static int remove_disk(struct mddev *mddev, struct md_rdev *rdev)
 {
-       struct cluster_msg cmsg;
+       struct cluster_msg cmsg = {0};
        struct md_cluster_info *cinfo = mddev->cluster_info;
        cmsg.type = cpu_to_le32(REMOVE);
        cmsg.raid_slot = cpu_to_le32(rdev->desc_nr);
@@ -993,7 +993,7 @@ static int gather_bitmaps(struct md_rdev *rdev)
 {
        int sn, err;
        sector_t lo, hi;
-       struct cluster_msg cmsg;
+       struct cluster_msg cmsg = {0};
        struct mddev *mddev = rdev->mddev;
        struct md_cluster_info *cinfo = mddev->cluster_info;