Btrfs: btrfs: pass void __user * to btrfs_ioctl_clone_range
Cleans the code up a little and also avoids a sparse warning due to the
incorrect cast in the current version of the code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index d2d5a5a..caea9ee 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1035,11 +1035,11 @@
return ret;
}
-static long btrfs_ioctl_clone_range(struct file *file, unsigned long argptr)
+static long btrfs_ioctl_clone_range(struct file *file, void __user *argp)
{
struct btrfs_ioctl_clone_range_args args;
- if (copy_from_user(&args, (void *)argptr, sizeof(args)))
+ if (copy_from_user(&args, argp, sizeof(args)))
return -EFAULT;
return btrfs_ioctl_clone(file, args.src_fd, args.src_offset,
args.src_length, args.dest_offset);
@@ -1137,7 +1137,7 @@
case BTRFS_IOC_CLONE:
return btrfs_ioctl_clone(file, arg, 0, 0, 0);
case BTRFS_IOC_CLONE_RANGE:
- return btrfs_ioctl_clone_range(file, arg);
+ return btrfs_ioctl_clone_range(file, argp);
case BTRFS_IOC_TRANS_START:
return btrfs_ioctl_trans_start(file);
case BTRFS_IOC_TRANS_END: