From: Navid Emamdoost <navid.emamdoost@xxxxxxxxx> [ Upstream commit f37f710353677639bc5d37ee785335994adf2529 ] In the implementation of gmac_setup_txqs() the allocated desc_ring is leaked if TX queue base is not aligned. Release it via dma_free_coherent. Fixes: 4d5ae32f5e1e ("net: ethernet: Add a driver for Gemini gigabit ethernet") Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/cortina/gemini.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -577,6 +577,8 @@ static int gmac_setup_txqs(struct net_de if (port->txq_dma_base & ~DMA_Q_BASE_MASK) { dev_warn(geth->dev, "TX queue base is not aligned\n"); + dma_free_coherent(geth->dev, len * sizeof(*desc_ring), + desc_ring, port->txq_dma_base); kfree(skb_tab); return -ENOMEM; }