[PATCH 4.19 117/131] staging: vt6656: Dont set RCR_MULTICAST or RCR_BROADCAST by default.

From: Greg Kroah-Hartman
Date: Tue Apr 28 2020 - 14:40:38 EST


From: Malcolm Priestley <tvboxspy@xxxxxxxxx>

commit 0f8240bfc070033a4823b19883efd3d38c7735cc upstream.

mac80211/users control whether multicast is on or off don't enable it by default.

Fixes an issue when multicast/broadcast is always on allowing other beacons through
in power save.

Fixes: db8f37fa3355 ("staging: vt6656: mac80211 conversion: main_usb add functions...")
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx>
Link: https://lore.kernel.org/r/2c24c33d-68c4-f343-bd62-105422418eac@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/staging/vt6656/main_usb.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -780,15 +780,11 @@ static void vnt_configure(struct ieee802
{
struct vnt_private *priv = hw->priv;
u8 rx_mode = 0;
- int rc;

*total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC;

- rc = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
- MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);
-
- if (!rc)
- rx_mode = RCR_MULTICAST | RCR_BROADCAST;
+ vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
+ MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);

dev_dbg(&priv->usb->dev, "rx mode in = %x\n", rx_mode);