[PATCH 1/8] net: mrmac: check memalign() return values
Padmarao Begari <[email protected]>
| Newsgroups | org.u-boot-project.lists.u-boot |
|---|---|
| Message-ID | <[email protected]> |
The memalign() allocations in probe() are used without checking for
failure. Bail out with -ENOMEM if any of them fails.
Fixes: 258ce79cfce4 ("net: xilinx: axi_mrmac: Add MRMAC driver")
Signed-off-by: Padmarao Begari <[email protected]>
---
drivers/net/xilinx_axi_mrmac.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/xilinx_axi_mrmac.c b/drivers/net/xilinx_axi_mrmac.c
index 56f877c20a6..5ff304fc971 100644
--- a/drivers/net/xilinx_axi_mrmac.c
+++ b/drivers/net/xilinx_axi_mrmac.c
@@ -484,14 +484,20 @@ static int axi_mrmac_probe(struct udevice *dev)
/* Align buffers to ARCH_DMA_MINALIGN */
priv->tx_bd[0] = memalign(ARCH_DMA_MINALIGN, TX_BD_TOTAL_SIZE);
+ if (!priv->tx_bd[0])
+ return -ENOMEM;
priv->tx_bd[1] = (struct mcdma_bd *)((ulong)priv->tx_bd[0] +
sizeof(struct mcdma_bd));
priv->rx_bd[0] = memalign(ARCH_DMA_MINALIGN, RX_BD_TOTAL_SIZE);
+ if (!priv->rx_bd[0])
+ return -ENOMEM;
priv->rx_bd[1] = (struct mcdma_bd *)((ulong)priv->rx_bd[0] +
sizeof(struct mcdma_bd));
priv->txminframe = memalign(ARCH_DMA_MINALIGN, MIN_PKT_SIZE);
+ if (!priv->txminframe)
+ return -ENOMEM;
return 0;
}
--
2.34.1