提交 7262b7b2 编写于 作者: T Tobias Klauser 提交者: David S. Miller

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: NTobias Klauser <tklauser@distanz.ch>
Acked-by: NGiuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 0e7ede80
......@@ -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;
......
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