[PATCH] vfs: fix return type of ioctl_file_dedupe_range

["Darrick J. Wong" <darrick.wong@xxxxxxxxxx>]

All the VFS functions in the dedupe ioctl path return int status, so
the ioctl handler ought to as well.

Found by Coverity, CID 1350952.

Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
 fs/ioctl.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ioctl.c b/fs/ioctl.c
index 116a333..db3d033 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -568,7 +568,7 @@ static int ioctl_fsthaw(struct file *filp)
        return thaw_super(sb);
 }
 
-static long ioctl_file_dedupe_range(struct file *file, void __user *arg)
+static int ioctl_file_dedupe_range(struct file *file, void __user *arg)
 {
        struct file_dedupe_range __user *argp = arg;
        struct file_dedupe_range *same = NULL;