The devm_ioremap_resource() function returns error pointers. It never returns NULL. Update the check to match. Fixes: e27dba1951ce ("net: Use of_reserved_mem_region_to_resource{_byname}() for "memory-region"") Signed-off-by: Dan Carpenter --- drivers/net/ethernet/airoha/airoha_npu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/airoha/airoha_npu.c b/drivers/net/ethernet/airoha/airoha_npu.c index 4e8deb87f751..5b0f66e9cdae 100644 --- a/drivers/net/ethernet/airoha/airoha_npu.c +++ b/drivers/net/ethernet/airoha/airoha_npu.c @@ -179,8 +179,8 @@ static int airoha_npu_run_firmware(struct device *dev, void __iomem *base, } addr = devm_ioremap_resource(dev, res); - if (!addr) { - ret = -ENOMEM; + if (IS_ERR(addr)) { + ret = PTR_ERR(addr); goto out; } -- 2.47.2