2008/3/12, Pavel Roskin <proski@xxxxxxx>:
> 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@xxxxxxx>
> ---
>
> drivers/net/wireless/ath5k/hw.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
>
> diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
> index 677600b..ff579a2 100644
> --- a/drivers/net/wireless/ath5k/hw.c
> +++ b/drivers/net/wireless/ath5k/hw.c
> @@ -458,6 +458,8 @@ 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);
>
>
>
> --
> Regards,
> Pavel Roskin
Acked-by: Nick Kossifidis <mickflemm@xxxxxxxxx>
--
GPG ID: 0xD21DB2DB
As you read this post global entropy rises. Have Fun ;-)
Nick
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
