tree 443cdf6d6fffab53db16006e44fd6506d814fd86
parent 8ade00824607fcfa8842572012d4393b40a74a94
author Johannes Berg <johannes@sipsolutions.net> 1258637379 +0100
committer John W. Linville <linville@tuxdriver.com> 1258646919 -0500

mac80211: fix resume

When mac80211 resumes, it currently first sets suspended
to false so the driver can start doing things and we can
receive frames.

However, if we actually receive frames then it can end
up starting some work which adds timers and then later
runs into a BUG_ON in the timer code because it tries
add_timer() on a pending timer.

Fix this by keeping track of the resuming process by
introducing a new variable 'resuming' which gets set to
true early on instead of setting 'suspended' to false,
and allow queueing work but not receiving frames while
resuming.

Reported-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>