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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 <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
hifive-unleashed-5.1
Xinming Hu 2015-12-14 04:15:05 -08:00 committed by Kalle Valo
parent 5eab677799
commit c8ac6a8ee8
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wireless/marvell/mwifiex/cfg80211.c
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@ -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;
}