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[PATCH] ieee80211: Fix kernel Oops when module unload

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tree b69e983266840983183a00f5ac02c66d5270ca47
parent cdd6372949b76694622ed74fe36e1dd17a92eb71
author Zhu Yi <jketreno@io.(none)> 1124435425 -0500
committer James Ketrenos <jketreno@linux.intel.com> 1127312421 -0500

Fix kernel Oops when module unload.

Export a new function ieee80211_crypt_quiescing from ieee80211. Device
drivers call it to make the host crypto stack enter the quiescence
state, which means "process existing requests, but don't accept new
ones". This is usually called during a driver's host crypto data
structure free (module unload) path.

Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
James Ketrenos
2005-09-21 11:54:15 -05:00
committed by Jeff Garzik
parent 42e349fd10
commit 0ad0c3c644
4 changed files with 31 additions and 6 deletions
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1
include/net/ieee80211.h
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@@ -684,6 +684,7 @@ struct ieee80211_device {
struct ieee80211_crypt_data *crypt[WEP_KEYS];
int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
struct timer_list crypt_deinit_timer;
int crypt_quiesced;
int bcrx_sta_key; /* use individual keys to override default keys even
* with RX of broad/multicast frames */