From: Wei Yongjun Date: Fri, 19 Mar 2021 09:41:00 +0000 (+0000) Subject: remoteproc: qcom: wcss: Fix return value check in q6v5_wcss_init_mmio() X-Git-Tag: v5.15~1197^2~11 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=859fd2418b4ba00bba56263b8abc7f54f4a7260f;p=platform%2Fkernel%2Flinux-starfive.git remoteproc: qcom: wcss: Fix return value check in q6v5_wcss_init_mmio() 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: 0af65b9b915e ("remoteproc: qcom: wcss: Add non pas wcss Q6 support for QCS404") Reported-by: Hulk Robot Signed-off-by: Wei Yongjun Link: https://lore.kernel.org/r/20210319094100.4185044-1-weiyongjun1@huawei.com Signed-off-by: Bjorn Andersson --- diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c index 71ec1a4..6f7d940 100644 --- a/drivers/remoteproc/qcom_q6v5_wcss.c +++ b/drivers/remoteproc/qcom_q6v5_wcss.c @@ -829,8 +829,8 @@ static int q6v5_wcss_init_mmio(struct q6v5_wcss *wcss, res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qdsp6"); wcss->reg_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (IS_ERR(wcss->reg_base)) - return PTR_ERR(wcss->reg_base); + if (!wcss->reg_base) + return -ENOMEM; if (wcss->version == WCSS_IPQ8074) { res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rmb");