diff options
| author | Denis Efremov <efremov@linux.com> | 2020-09-21 20:03:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-05 11:43:26 +0100 |
| commit | 4b82b8aba08d436b075226a448881b98807981f2 (patch) | |
| tree | 7600dce6d36f6132d71d7f16fe9a29d3ddd0cc23 /fs | |
| parent | 6ec4b82fc322a56aa68777f0fb1e14ff57d1f857 (diff) | |
btrfs: use kvzalloc() to allocate clone_roots in btrfs_ioctl_send()
commit 8eb2fd00153a3a96a19c62ac9c6d48c2efebe5e8 upstream.
btrfs_ioctl_send() used open-coded kvzalloc implementation earlier.
The code was accidentally replaced with kzalloc() call [1]. Restore
the original code by using kvzalloc() to allocate sctx->clone_roots.
[1] https://patchwork.kernel.org/patch/9757891/#20529627
Fixes: 818e010bf9d0 ("btrfs: replace opencoded kvzalloc with the helper")
CC: stable@vger.kernel.org # 4.14+
Signed-off-by: Denis Efremov <efremov@linux.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/send.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 40e56d0f90cf..88940f494428 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -7352,7 +7352,7 @@ long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg) alloc_size = sizeof(struct clone_root) * (arg->clone_sources_count + 1); - sctx->clone_roots = kzalloc(alloc_size, GFP_KERNEL); + sctx->clone_roots = kvzalloc(alloc_size, GFP_KERNEL); if (!sctx->clone_roots) { ret = -ENOMEM; goto out; |