summaryrefslogtreecommitdiffstats
path: root/package/mac80211/patches/550-ath9k_no_multi_desc_frames.patch
blob: 3bc730e32eb79937ecb82d438427736a22e76877 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -57,13 +57,19 @@ static bool ath9k_rx_accept(struct ath_c
 	 * rs_more indicates chained descriptors which can be used
 	 * to link buffers together for a sort of scatter-gather
 	 * operation.
-	 *
+	 * reject the frame, we don't support scatter-gather yet and
+	 * the frame is probably corrupt anyway
+	 */
+	if (rx_stats->rs_more)
+		return false;
+
+	/*
 	 * The rx_stats->rs_status will not be set until the end of the
 	 * chained descriptors so it can be ignored if rs_more is set. The
 	 * rs_more will be false at the last element of the chained
 	 * descriptors.
 	 */
-	if (!rx_stats->rs_more && rx_stats->rs_status != 0) {
+	if (rx_stats->rs_status != 0) {
 		if (rx_stats->rs_status & ATH9K_RXERR_CRC)
 			rxs->flag |= RX_FLAG_FAILED_FCS_CRC;
 		if (rx_stats->rs_status & ATH9K_RXERR_PHY)