[PATCH 1/8] net: mrmac: check memalign() return values

[Padmarao Begari]

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 <padmarao.beg...@amd.com>
---
 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