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authorDavid S. Miller <davem@davemloft.net>2010-01-19 11:43:42 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-19 11:43:42 -0800
commit6373464288cab09bc641be301d8d30fc9f64ba71 (patch)
treec1bc92dc630aa15da2e12bc0d09c92169817a702 /drivers/net/wireless/zd1211rw
parent6d955180b2f9ccff444df06265160868cabb289a (diff)
parent730dd70549e0ec755dd55615ba5cfc38a482a947 (diff)
downloadop-kernel-dev-6373464288cab09bc641be301d8d30fc9f64ba71.zip
op-kernel-dev-6373464288cab09bc641be301d8d30fc9f64ba71.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Conflicts: drivers/net/wireless/iwlwifi/iwl-core.h
Diffstat (limited to 'drivers/net/wireless/zd1211rw')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 709fe5e..2d555cc 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -987,12 +987,13 @@ static void zd_op_configure_filter(struct ieee80211_hw *hw,
changed_flags &= SUPPORTED_FIF_FLAGS;
*new_flags &= SUPPORTED_FIF_FLAGS;
- /* changed_flags is always populated but this driver
- * doesn't support all FIF flags so its possible we don't
- * need to do anything */
- if (!changed_flags)
- return;
-
+ /*
+ * If multicast parameter (as returned by zd_op_prepare_multicast)
+ * has changed, no bit in changed_flags is set. To handle this
+ * situation, we do not return if changed_flags is 0. If we do so,
+ * we will have some issue with IPv6 which uses multicast for link
+ * layer address resolution.
+ */
if (*new_flags & (FIF_PROMISC_IN_BSS | FIF_ALLMULTI))
zd_mc_add_all(&hash);
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