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net: stmmac: Fix error handling path in 'alloc_dma_rx_desc_resources()'

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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: 54139cf3bb ("net: stmmac: adding multiple buffers for rx")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christophe Jaillet 2017-07-08 09:46:33 +02:00 committed by David S. Miller
parent fdf99b3ffc
commit 63c3aa6b68
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -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 *),