dpaa_eth: check allocation result

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/dpaa/dpaa_eth.c

@@ -2561,6 +2561,9 @@ static struct dpaa_bp *dpaa_bp_alloc(struct device *dev)
 
 	dpaa_bp->bpid = FSL_DPAA_BPID_INV;
 	dpaa_bp->percpu_count = devm_alloc_percpu(dev, *dpaa_bp->percpu_count);
+	if (!dpaa_bp->percpu_count)
+		return ERR_PTR(-ENOMEM);
+
 	dpaa_bp->config_count = FSL_DPAA_ETH_MAX_BUF_COUNT;
 
 	dpaa_bp->seed_cb = dpaa_bp_seed;