diff mbox

[9/9] btrfs: switch to kcalloc in btrfs_cmp_data_prepare

Message ID 66722f7c059089ad7f11eaa3e27af2321ab1b0e6.1455208920.git.dsterba@suse.com (mailing list archive)
State Accepted
Headers show

Commit Message

David Sterba Feb. 11, 2016, 4:57 p.m. UTC 
Kcalloc is functionally equivalent and does overflow checks.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/ioctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 55440a742594..11dae2a30eb5 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2925,8 +2925,8 @@  static int btrfs_cmp_data_prepare(struct inode *src, u64 loff,
 	 * of the array is bounded by len, which is in turn bounded by
 	 * BTRFS_MAX_DEDUPE_LEN.
 	 */
-	src_pgarr = kzalloc(num_pages * sizeof(struct page *), GFP_KERNEL);
-	dst_pgarr = kzalloc(num_pages * sizeof(struct page *), GFP_KERNEL);
+	src_pgarr = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+	dst_pgarr = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
 	if (!src_pgarr || !dst_pgarr) {
 		kfree(src_pgarr);
 		kfree(dst_pgarr);