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author | Ingo Molnar <mingo@kernel.org> | 2013-08-12 19:51:43 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2013-08-12 19:51:43 +0200 |
commit | 6356bb0ad6525dae93c06478a098ed3848e9ab01 (patch) | |
tree | 8fdbda28405fb0b1c213f2a87c532a760510adf0 /net/mac80211/rx.c | |
parent | 7781544e7c367d0cae87feb0f0675fd333bfc9d8 (diff) | |
parent | 0ca06c0857aee11911f91621db14498496f2c2cd (diff) | |
download | linux-stable-6356bb0ad6525dae93c06478a098ed3848e9ab01.tar.gz linux-stable-6356bb0ad6525dae93c06478a098ed3848e9ab01.tar.bz2 linux-stable-6356bb0ad6525dae93c06478a098ed3848e9ab01.zip |
Merge tag 'please-pull-mce-f-bit' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras into x86/ras
Pull MCE-uncorrected-error fix from Tony Luck:
"Bit 12 may or may not be set in MCi_STATUS.MCACOD when
an uncorrected error is reported. Ignore it when checking
error signatures."
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r-- | net/mac80211/rx.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 23dbcfc69b3b..2c5a79bd3777 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -936,8 +936,14 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); - /* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */ - if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) { + /* + * Drop duplicate 802.11 retransmissions + * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery") + */ + if (rx->skb->len >= 24 && rx->sta && + !ieee80211_is_ctl(hdr->frame_control) && + !ieee80211_is_qos_nullfunc(hdr->frame_control) && + !is_multicast_ether_addr(hdr->addr1)) { if (unlikely(ieee80211_has_retry(hdr->frame_control) && rx->sta->last_seq_ctrl[rx->seqno_idx] == hdr->seq_ctrl)) { |