Btrfs: fix access_ok() check in btrfs_ioctl_send()

[firefly-linux-kernel-4.4.55.git] / fs / btrfs / send.c

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 09ea0bdde65f351f4502802cc539358457ef2e7c..256a9a46d5443f657921aacb62abdd7a9bafac81 100644 (file)
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -4623,8 +4623,8 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
        }
 
        if (!access_ok(VERIFY_READ, arg->clone_sources,
-                       sizeof(*arg->clone_sources *
-                       arg->clone_sources_count))) {
+                       sizeof(*arg->clone_sources) *
+                       arg->clone_sources_count)) {
                ret = -EFAULT;
                goto out;
        }