diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 38554c2ea38a..abaf9d78a206 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -79,7 +79,7 @@ static int compat_hdio_getgeo(struct gendisk *disk, struct block_device *bdev,
 static int compat_hdio_ioctl(struct block_device *bdev, fmode_t mode,
 		unsigned int cmd, unsigned long arg)
 {
-	unsigned long *__user p;
+	unsigned long __user *p;
 	int error;
 
 	p = compat_alloc_user_space(sizeof(unsigned long));