[PATCH 5.1 57/98] dpaa2-eth: Use PTR_ERR_OR_ZERO where appropriate

[Greg Kroah-Hartman]

[ Upstream commit bd8460fa4de46e9d6177af4fe33bf0763a7af4b7 ]

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.radule...@nxp.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c 
b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 57cbaa38d247..df371c81a706 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -1966,7 +1966,7 @@ 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;
        }
 
@@ -2022,7 +2022,7 @@ 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);
-- 
2.20.1