Net, libertas: Resolve memory leak in if_spi_host_to_card()

If we hit the default case in the switch in if_spi_host_to_card() we'll leak
the memory we allocated for 'packet'. This patch resolves the leak by freeing
the allocated memory in that case.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Dan Williams <dcbw@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index 622ae6de0d8bfc31161ba687f0e4f35a0976b08d..7059d9645dab607e749634e3a868d8321b71b360 100644 (file)
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -995,6 +995,7 @@ static int if_spi_host_to_card(struct lbs_private *priv,
                spin_unlock_irqrestore(&card->buffer_lock, flags);
                break;
        default:
+               kfree(packet);
                netdev_err(priv->dev, "can't transfer buffer of type %d\n",
                           type);
                err = -EINVAL;