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authorArik Nemtsov <arik@wizery.com>2011-06-23 00:00:24 +0300
committerJohn W. Linville <linville@tuxdriver.com>2011-06-27 14:45:25 -0400
commita66b98db570a638afd909459e1e6bfa272344bd3 (patch)
treee4e78a0602b46121548fad2e357f03d550d23c94 /include/net
parent8fcbd4dc7a1b338b393dcd6869deb1725cf1a9f3 (diff)
mac80211: fix rx->key NULL dereference during mic failure
Sometimes when reporting a MIC failure rx->key may be unset. This code path is hit when receiving a packet meant for a multicast address, and decryption is performed in HW. Fortunately, the failing key_idx is not used for anything up to (and including) usermode, so we allow ourselves to drop it on the way up when a key cannot be retrieved. Signed-off-by: Arik Nemtsov <arik@wizery.com> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/cfg80211.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 0589f554788a..396e8fc8910e 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2688,7 +2688,7 @@ void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf,
* @dev: network device
* @addr: The source MAC address of the frame
* @key_type: The key type that the received frame used
- * @key_id: Key identifier (0..3)
+ * @key_id: Key identifier (0..3). Can be -1 if missing.
* @tsc: The TSC value of the frame that generated the MIC failure (6 octets)
* @gfp: allocation flags
*