dpaa2-eth: Use PTR_ERR_OR_ZERO where appropriate (bd8460fa) · Commits · 戴 / test

Use PTR_ERR_OR_ZERO instead of PTR_ERR in cases where zero is a valid input. Reported by smatch. Signed-off-by:

drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1972,7 +1972,7 @@ alloc_channel(struct dpaa2_eth_priv *priv)

		channel->dpcon = setup_dpcon(priv);
		if (IS_ERR_OR_NULL(channel->dpcon)) {
		err = PTR_ERR(channel->dpcon);
		err = PTR_ERR_OR_ZERO(channel->dpcon);
		goto err_setup;
		}

		@@ -2028,7 +2028,7 @@ static int setup_dpio(struct dpaa2_eth_priv *priv)
		/* Try to allocate a channel */
		channel = alloc_channel(priv);
		if (IS_ERR_OR_NULL(channel)) {
		err = PTR_ERR(channel);
		err = PTR_ERR_OR_ZERO(channel);
		if (err != -EPROBE_DEFER)
		dev_info(dev,
		"No affine channel for cpu %d and above\n", i);