[PATCH v3 2/3] ath10k: check for encryption before adding MIC_LEN

[Bob Copeland]

In the case of raw mode without nohwcrypt parameter, we
should still make sure the frame is protected before
adding MIC_LEN to avoid skb_under_panic errors.

Signed-off-by: Bob Copeland <me at bobcopeland.com>
---
 drivers/net/wireless/ath/ath10k/htt_tx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index ea53c21..eb5ba9b 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -564,7 +564,8 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 	     ieee80211_has_protected(hdr->frame_control)) {
 		skb_put(msdu, IEEE80211_CCMP_MIC_LEN);
 	} else if (!skb_cb->htt.nohwcrypt &&
-		   skb_cb->txmode == ATH10K_HW_TXRX_RAW) {
+		   skb_cb->txmode == ATH10K_HW_TXRX_RAW &&
+		   ieee80211_has_protected(hdr->frame_control)) {
 		skb_put(msdu, IEEE80211_CCMP_MIC_LEN);
 	}
 
-- 
2.1.4