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authorJohn W. Linville <linville@tuxdriver.com>2010-01-05 17:18:59 -0500
committerJohn W. Linville <linville@tuxdriver.com>2010-01-05 17:18:59 -0500
commit4f9b2a7dea2bf1dd81f280aa5e8a40ed910d2f0a (patch)
tree52046049957a87103a383869155f43461963f089 /drivers/net/wireless/zd1211rw
parentf3f66b69c8ff08b46975d9e99c7ecb92a8b12eda (diff)
parent7a4a77b7771164d61ce702a588067d1e1d66db7c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts: net/mac80211/iface.c
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 f4a4178c8d9..d90f0a25b9c 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);