[PATCH -next] remoteproc: qcom: wcss: Fix return value check in q6v5_wcss_init_mmio()

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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");




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