Re: [PATCH 1/3] net: stmmac: Fix error handling path in 'alloc_dma_rx_desc_resources()'

[Giuseppe CAVALLARO]

On 7/8/2017 9:46 AM, Christophe JAILLET wrote:

If the first 'kmalloc_array' within the loop fails, we should free what
as already been allocated, as done in all other error handling path.

Fixes: 54139cf3bb33 ("net: stmmac: adding multiple buffers for rx")
Signed-off-by: Christophe JAILLET <christophe.jail...@wanadoo.fr>

Acked-by: Giuseppe Cavallaro <peppe.cavall...@st.com>

---
  drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 19bba6281dab..4322fa4a13e8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1498,7 +1498,7 @@ static int alloc_dma_rx_desc_resources(struct stmmac_priv 
*priv)
                                                    sizeof(dma_addr_t),
                                                    GFP_KERNEL);
                if (!rx_q->rx_skbuff_dma)
-                       return -ENOMEM;
+                       goto err_dma;

rx_q->rx_skbuff = kmalloc_array(DMA_RX_SIZE,

                                                sizeof(struct sk_buff *),