caif-hsi: Free flip_buffer at shutdown

Fix memory leak of RX flip-buffer.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index 9a66e2a..d0d9a6f 100644 (file)
--- a/drivers/net/caif/caif_hsi.c
+++ b/drivers/net/caif/caif_hsi.c
@@ -1210,7 +1210,7 @@ int cfhsi_probe(struct platform_device *pdev)
 
 static void cfhsi_shutdown(struct cfhsi *cfhsi)
 {
-       u8 *tx_buf, *rx_buf;
+       u8 *tx_buf, *rx_buf, *flip_buf;
 
        /* Stop TXing */
        netif_tx_stop_all_queues(cfhsi->ndev);
@@ -1234,7 +1234,7 @@ static void cfhsi_shutdown(struct cfhsi *cfhsi)
        /* Store bufferes: will be freed later. */
        tx_buf = cfhsi->tx_buf;
        rx_buf = cfhsi->rx_buf;
-
+       flip_buf = cfhsi->rx_flip_buf;
        /* Flush transmit queues. */
        cfhsi_abort_tx(cfhsi);
 
@@ -1247,6 +1247,7 @@ static void cfhsi_shutdown(struct cfhsi *cfhsi)
        /* Free buffers. */
        kfree(tx_buf);
        kfree(rx_buf);
+       kfree(flip_buf);
 }
 
 int cfhsi_remove(struct platform_device *pdev)