From 18cda8018a4b5f4819e02ad2cabf40c3666c6366 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Fri, 12 Mar 2021 08:04:20 +0000 Subject: [PATCH] remoteproc: imx_rproc: fix return value check in imx_rproc_addr_init() In case of error, the function devm_ioremap() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Fixes: ecadcc47492c ("remoteproc: imx_rproc: use devm_ioremap") Reported-by: Hulk Robot Signed-off-by: Wei Yongjun Link: https://lore.kernel.org/r/20210312080420.277151-1-weiyongjun1@huawei.com Signed-off-by: Bjorn Andersson --- drivers/remoteproc/imx_rproc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 5ebb9f5..6d3207c 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -464,10 +464,9 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, /* Not use resource version, because we might share region */ priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, res.start, resource_size(&res)); - if (IS_ERR(priv->mem[b].cpu_addr)) { + if (!priv->mem[b].cpu_addr) { dev_err(dev, "failed to remap %pr\n", &res); - err = PTR_ERR(priv->mem[b].cpu_addr); - return err; + return -ENOMEM; } priv->mem[b].sys_addr = res.start; priv->mem[b].size = resource_size(&res); -- 2.7.4