linux-kernel - [PATCH 4.13 23/28] staging: wilc1000: Fix bssid buffer offset in Txq

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Date:   Sun, 19 Nov 2017 15:44:10 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Aditya Shankar <Aditya.Shankar@...rochip.com>
Subject: [PATCH 4.13 23/28] staging: wilc1000: Fix bssid buffer offset in Txq

4.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Aditya Shankar <aditya.shankar@...rochip.com>

commit 1bbf6a6d4091affb27ec0a19d7aa7887ce72f610 upstream.

Commit 46949b48568b ("staging: wilc1000: New cfg packet
format in handle_set_wfi_drv_handler") updated the frame
format sent from host to the firmware. The code to update
the bssid offset in the new frame was part of a second
patch in the series which did not make it in and thus
causes connection problems after associating to an AP.

This fix adds the proper offset of the bssid value in the
Tx queue buffer to fix the connection issues.

Fixes: 46949b48568b ("staging: wilc1000: New cfg packet format in handle_set_wfi_drv_handler")
Signed-off-by: Aditya Shankar <Aditya.Shankar@...rochip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/staging/wilc1000/wilc_wlan.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -714,7 +714,7 @@ int wilc_wlan_handle_txq(struct net_devi
 					char *bssid = ((struct tx_complete_data *)(tqe->priv))->bssid;
 
 					buffer_offset = ETH_ETHERNET_HDR_OFFSET;
-					memcpy(&txb[offset + 4], bssid, 6);
+					memcpy(&txb[offset + 8], bssid, 6);
 				} else {
 					buffer_offset = HOST_HDR_OFFSET;
 				}