[PATCH] staging: vt6656: Use BIT_ULL() macro instead of bit shift operation

Oscar Carter
2020-03-07T10:50:36Z

Replace the bit left shift operation with the BIT_ULL() macro and remove
the unnecessary "and" operation against the bit_nr variable.

Signed-off-by: Oscar Carter <oscar.carter@gmx.com>
---
drivers/staging/vt6656/main_usb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 5e48b3ddb94c..f7ca9e97594d 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -21,6 +21,7 @@
*/
#undef __NO_VERSION__

+#include <linux/bits.h>
#include <linux/etherdevice.h>
#include <linux/file.h>
#include "device.h"
@@ -802,8 +803,7 @@ static u64 vnt_prepare_multicast(struct ieee80211_hw *hw,

netdev_hw_addr_list_for_each(ha, mc_list) {
bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
-
- mc_filter |= 1ULL << (bit_nr & 0x3f);
+ mc_filter |= BIT_ULL(bit_nr);
}

priv->mc_list_count = mc_list->count;
--
2.20.1