mac80211: Ensure initializing private mc_list in prepare_multicast().

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Fix kernel panic by NULL pointer dereference in the context of
ieee80211_ops->prepare_multicast().

This bug was introduced by commit 22bedad3c.. ("net: convert
multicast list to list_head").

Call __hw_addr_init() in ieee80211_alloc_hw() to initialize
list_head of private device multicast list, like we do in
bond_init().

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Reviewed-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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YOSHIFUJI Hideaki / 吉藤英明 2010-04-04 17:59:30 +00:00 • committed by David S. Miller

parent e4008276fd

commit 2f787b0b76

1 changed files with 3 additions and 0 deletions

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net/mac80211/main.c

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