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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>
hifive-unleashed-5.1
Christoph Hellwig 2008-12-02 09:52:24 -05:00 committed by Chris Mason
parent 4bcabaa30a
commit 7a865e8ac3
1 changed files with 3 additions and 3 deletions
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6
fs/btrfs/ioctl.c
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@ -1035,11 +1035,11 @@ out_fput:
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 @@ long btrfs_ioctl(struct file *file, unsigned int
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: