From: Xinming Hu Date: Mon, 14 Dec 2015 12:15:05 +0000 (-0800) Subject: mwifiex: fix bug for wildcard-prefix wowlan pattern X-Git-Tag: v4.5-rc1~128^2~63^2~29 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=c8ac6a8ee8e70c128d3d562704846c8cba91c61d;p=linux.git mwifiex: fix bug for wildcard-prefix wowlan pattern Wildcard prefix bytes are ignored while downloading packet pattern to firmware. As packet offset is not adjusted accordingly firmware end up matching the pattern at wrong offset. The packet offset is corrected in this patch. Signed-off-by: Xinming Hu Signed-off-by: Amitkumar Karwar Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 3349c2ae3b76..0aab9354ab5b 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -2921,6 +2921,12 @@ mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, dont_care_byte = true; } + /* wildcard bytes record as the offset + * before the valid byte + */ + if (!valid_byte_cnt && !dont_care_byte) + pat->pkt_offset++; + if (valid_byte_cnt > max_byte_seq) return false; }