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 <glen.lee@atmel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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03efae328d
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608b0515b7
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@ -1374,6 +1374,7 @@ void wilc_wlan_cleanup(struct net_device *dev)
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kfree(wilc->rx_buffer);
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wilc->rx_buffer = NULL;
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kfree(wilc->tx_buffer);
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wilc->tx_buffer = NULL;
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acquire_bus(wilc, ACQUIRE_AND_WAKEUP);
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