Commit f50e4a84 authored Mar 12, 2008 by Pavel Roskin Committed by John W. Linville Mar 13, 2008

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>

parent 5abdc49d

drivers/net/wireless/ath5k/hw.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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);