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[net80211] don't try to follow a NULL rxs pointer down the sink.

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It's smelly, and we already checked earlier whether we needed to.
This commit is contained in:
Adrian Chadd 2017-10-13 06:49:07 +00:00
parent 565312d184
commit 79caf56e97
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=324580
1 changed files with 1 additions and 1 deletions
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sys/net80211/ieee80211_input.h
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@ -278,7 +278,7 @@ ieee80211_check_rxseq(struct ieee80211_node *ni, struct ieee80211_frame *wh,
*/
if (ieee80211_check_rxseq_amsdu_more(rxs)) {
ni->ni_rxseqs[tid] = rxseq;
if (ieee80211_check_rxseq_amsdu(rxs))
if ((rxs != NULL) && ieee80211_check_rxseq_amsdu(rxs))
IEEE80211_NODE_STAT(ni, rx_amsdu_more_end);
} else {
/* .. still waiting */