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Subject[PATCH 1/2] btrfs: use kvzalloc() to allocate clone_roots in btrfs_ioctl_send()
Date
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;
--
2.26.2
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