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net: sxgbe: Fix waring for double kfree()

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This patch fixes double kfree() calls at init_rx_ring() because
it causes static checker warning.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Byungho An 2015-01-15 10:43:11 +09:00 committed by David S. Miller
parent 1c1832c7cd
commit f7d855566f
1 changed files with 10 additions and 11 deletions
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21
drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
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@ -474,13 +474,19 @@ static int init_rx_ring(struct net_device *dev, u8 queue_no,
/* allocate memory for RX skbuff array */
rx_ring->rx_skbuff_dma = kmalloc_array(rx_rsize,
sizeof(dma_addr_t), GFP_KERNEL);
if (rx_ring->rx_skbuff_dma == NULL)
goto dmamem_err;
if (!rx_ring->rx_skbuff_dma) {
dma_free_coherent(priv->device,
rx_rsize * sizeof(struct sxgbe_rx_norm_desc),
rx_ring->dma_rx, rx_ring->dma_rx_phy);
goto error;
}
rx_ring->rx_skbuff = kmalloc_array(rx_rsize,
sizeof(struct sk_buff *), GFP_KERNEL);
if (rx_ring->rx_skbuff == NULL)
goto rxbuff_err;
if (!rx_ring->rx_skbuff) {
kfree(rx_ring->rx_skbuff_dma);
goto error;
}
/* initialise the buffers */
for (desc_index = 0; desc_index < rx_rsize; desc_index++) {
@ -502,13 +508,6 @@ static int init_rx_ring(struct net_device *dev, u8 queue_no,
err_init_rx_buffers:
while (--desc_index >= 0)
free_rx_ring(priv->device, rx_ring, desc_index);
kfree(rx_ring->rx_skbuff);
rxbuff_err:
kfree(rx_ring->rx_skbuff_dma);
dmamem_err:
dma_free_coherent(priv->device,
rx_rsize * sizeof(struct sxgbe_rx_norm_desc),
rx_ring->dma_rx, rx_ring->dma_rx_phy);
error:
return -ENOMEM;
}