btrfs: cleanup, use kmalloc_array/kcalloc array helpers

Convert kmalloc(nr * size, ..) to kmalloc_array that does additional
overflow checks, the zeroing variant is kcalloc.

Signed-off-by: David Sterba <dsterba@suse.cz>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 5264858ed768..b4634c30981e 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1807,8 +1807,7 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
         int err;
         int i;
 
-        pointers = kzalloc(rbio->real_stripes * sizeof(void *),
-                           GFP_NOFS);
+        pointers = kcalloc(rbio->real_stripes, sizeof(void *), GFP_NOFS);
         if (!pointers) {
                 err = -ENOMEM;
                 goto cleanup_io;