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authorChristophe Jaillet <christophe.jaillet@wanadoo.fr>2017-07-08 09:46:43 +0200
committerDavid S. Miller <davem@davemloft.net>2017-07-11 13:33:53 -0700
commit6941f7cc71a719089f7add4afc82bb80fc5a281d (patch)
tree92596128cbe6fe7127fd5e4f2872de0d315239eb /drivers/net
parent63c3aa6b68782ee5ddb6588d95aacf1ab33e528b (diff)
downloadlinux-6941f7cc71a719089f7add4afc82bb80fc5a281d.tar.gz
net: stmmac: Fix error handling path in 'alloc_dma_tx_desc_resources()'
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: ce736788e8a9 ("net: stmmac: adding multiple buffers for TX")
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 4322fa4a13e8..07d486a70118 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1561,7 +1561,7 @@ static int alloc_dma_tx_desc_resources(struct stmmac_priv *priv)
 						    sizeof(*tx_q->tx_skbuff_dma),
 						    GFP_KERNEL);
 		if (!tx_q->tx_skbuff_dma)
-			return -ENOMEM;
+			goto err_dma_buffers;
 
 		tx_q->tx_skbuff = kmalloc_array(DMA_TX_SIZE,
 						sizeof(struct sk_buff *),