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
Cc: stable@vger.kernel.org Fixes: 818e010bf9d0 ("btrfs: replace opencoded kvzalloc with the helper") Signed-off-by: Denis Efremov efremov@linux.com --- fs/btrfs/send.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index d9813a5b075a..c874ddda6252 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -7181,7 +7181,7 @@ 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;