[PATCH 12/12] staging: wilc1000: bug fix on memory free

Glen Lee glen.lee at atmel.com
Mon Dec 14 05:47:03 UTC 2015


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 at 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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