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ath5k: disable irq handling in ath5k_hw_detach() 

Once ah has been freed, it may not be accessed.  Set ATH_STAT_INVALID
bit to make the interrupt handler return IRQ_NONE without accessing ah.

This fixes oops on unload with CONFIG_DEBUG_SHIRQ enabled.

Signed-off-by: Pavel Roskin <proski@gnu.org>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Pavel Roskin 2008-03-12 16:13:31 -04:00 committed by John W. Linville
parent 5abdc49d6e
commit f50e4a8494
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/ath5k/hw.c
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@ -427,6 +427,8 @@ void ath5k_hw_detach(struct ath5k_hw *ah)
{
ATH5K_TRACE(ah->ah_sc);
__set_bit(ATH_STAT_INVALID, ah->ah_sc->status);
if (ah->ah_rf_banks != NULL)
kfree(ah->ah_rf_banks);