From: Wei Yongjun <weiyongjun1@xxxxxxxxxx> 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 <hulkci@xxxxxxxxxx> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- drivers/remoteproc/qcom_q6v5_wcss.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c index 71ec1a451e35..6f7d940d4431 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");