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| author | David Sterba | 2016-02-11 15:01:38 +0100 |
|---|---|---|
| committer | David Sterba | 2016-02-11 15:19:39 +0100 |
| commit | 66722f7c059089ad7f11eaa3e27af2321ab1b0e6 (patch) | |
| tree | 70341af1959f7826e0305102408daa116e1231dc /fs/btrfs | |
| parent | btrfs: extent same: use GFP_KERNEL for page array allocations (diff) | |
| download | kernel-qcow2-linux-66722f7c059089ad7f11eaa3e27af2321ab1b0e6.tar.gz kernel-qcow2-linux-66722f7c059089ad7f11eaa3e27af2321ab1b0e6.tar.xz kernel-qcow2-linux-66722f7c059089ad7f11eaa3e27af2321ab1b0e6.zip | |
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>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/ioctl.c | 4 |
1 files changed, 2 insertions, 2 deletions
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); |