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authorJ. Bruce Fields <bfields@citi.umich.edu>2010-03-04 12:03:16 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2010-03-04 12:04:51 -0500
commit4ea41e2de5bba756858bb40f964e3490b6d1a25c (patch)
tree51a688be321dd42f80d8a0c966eb6a60408d50b3 /drivers/net/wireless/zd1211rw/zd_mac.c
parent8d75da8afd068fa58b35e69c7c8c46770d9e7a98 (diff)
parent398007f863a4af2b4a5a07219c5a617f1a098115 (diff)
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs into for-2.6.34-incoming
Resolve merge conflict in fs/xfs/linux-2.6/xfs_export.c.
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_mac.c')
-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 8ebf5c33955..f14deb0c851 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);