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net: stmmac: Check return value of alloc_dma_desc_resources() 

alloc_dma_desc_resources() returns an error value and the next line
actually checks for it, so assign the return value properly.

Found by the coverity scanner.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tobias Klauser 2014-02-22 13:09:03 +01:00 committed by David S. Miller
parent 0e7ede80d9
commit 7262b7b26d
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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@ -1705,7 +1705,7 @@ static int stmmac_open(struct net_device *dev)
priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
priv->dma_buf_sz = STMMAC_ALIGN(buf_sz);
alloc_dma_desc_resources(priv);
ret = alloc_dma_desc_resources(priv);
if (ret < 0) {
pr_err("%s: DMA descriptors allocation failed\n", __func__);
goto dma_desc_error;