From 608b0515b75292a3f890356f976849050c519d6a Mon Sep 17 00:00:00 2001 From: Glen Lee Date: Mon, 21 Dec 2015 14:18:50 +0900 Subject: [PATCH] staging: wilc1000: bug fix on memory free 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 Signed-off-by: Greg Kroah-Hartman --- 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 00f346454e00..83af51bb83e8 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);