dpaa2-eth: Use PTR_ERR_OR_ZERO where appropriate

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

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ioana Radulescu 2019-05-24 18:15:16 +03:00 committed by David S. Miller
parent 5a20a093d9
commit bd8460fa4d

View file

@ -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);