Set tx_buffer to NULL not to free again the memory that is already freed, which could cause system crash when device is failed. Signed-off-by: Glen Lee <glen.lee@xxxxxxxxx> --- drivers/staging/wilc1000/wilc_wlan.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c index 00f3464..83af51b 100644 --- a/drivers/staging/wilc1000/wilc_wlan.c +++ b/drivers/staging/wilc1000/wilc_wlan.c @@ -1374,6 +1374,7 @@ void wilc_wlan_cleanup(struct net_device *dev) kfree(wilc->rx_buffer); wilc->rx_buffer = NULL; kfree(wilc->tx_buffer); + wilc->tx_buffer = NULL; acquire_bus(wilc, ACQUIRE_AND_WAKEUP); -- 1.9.1 -- 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