From 88a25a5fa09dff62b5fc1e82fb9c0c6b23971887 Mon Sep 17 00:00:00 2001 From: Markus Elfring Date: Sun, 11 Sep 2016 12:21:25 +0200 Subject: [PATCH] rbd: use kmalloc_array() in rbd_header_from_disk() * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. * Delete the local variable "size" which became unnecessary with this refactoring. Signed-off-by: Markus Elfring Signed-off-by: Ilya Dryomov --- drivers/block/rbd.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index c842b8911936..aacbc832c1a2 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -986,7 +986,6 @@ static int rbd_header_from_disk(struct rbd_device *rbd_dev, char *snap_names = NULL; u64 *snap_sizes = NULL; u32 snap_count; - size_t size; int ret = -ENOMEM; u32 i; @@ -1024,9 +1023,9 @@ static int rbd_header_from_disk(struct rbd_device *rbd_dev, goto out_err; /* ...as well as the array of their sizes. */ - - size = snap_count * sizeof (*header->snap_sizes); - snap_sizes = kmalloc(size, GFP_KERNEL); + snap_sizes = kmalloc_array(snap_count, + sizeof(*header->snap_sizes), + GFP_KERNEL); if (!snap_sizes) goto out_err; -- 2.20.1