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....@atmel.com>
---
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
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