nfc: virtual_ncidev: constify pointer to nfc_dev

virtual_ncidev_ioctl() does not modify struct nfc_dev, so local variable
can be a pointer to const.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/nfc/virtual_ncidev.c b/drivers/nfc/virtual_ncidev.c
index b914ab2c21095bca3865eb12d1197121595a323c..2ee0ec4bb739423868efab29a6ea21a053727fc7 100644 (file)
--- a/drivers/nfc/virtual_ncidev.c
+++ b/drivers/nfc/virtual_ncidev.c
@@ -170,7 +170,7 @@ static int virtual_ncidev_close(struct inode *inode, struct file *file)
 static long virtual_ncidev_ioctl(struct file *flip, unsigned int cmd,
                                 unsigned long arg)
 {
-       struct nfc_dev *nfc_dev = ndev->nfc_dev;
+       const struct nfc_dev *nfc_dev = ndev->nfc_dev;
        void __user *p = (void __user *)arg;
 
        if (cmd != IOCTL_GET_NCIDEV_IDX)