aboutsummaryrefslogtreecommitdiff
path: root/drivers/net
diff options
context:
space:
mode:
authorPavel Roskin <proski@gnu.org>2008-03-12 16:13:31 -0400
committerJohn W. Linville <linville@tuxdriver.com>2008-03-13 15:57:25 -0400
commitf50e4a8494a74bdbc0f86f1430a4cca2a4f28799 (patch)
tree8e8198f8eec78a56deb4e699d6107d9a0a58abec /drivers/net
parent5abdc49d6e521126ed4c15e913a5c30f6dd95e6b (diff)
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath5k/hw.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
index c2de2d958e8..01757436353 100644
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -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);