p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

btrfs: switch to kcalloc in btrfs_cmp_data_prepare 

Kcalloc is functionally equivalent and does overflow checks.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-02-11 15:01:38 +01:00
parent fd95ef56b1
commit 66722f7c05
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/btrfs/ioctl.c
View File

@ -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);