drm/msm/a4xx: fix error handling in a4xx_gpu_init()

This code returns 1 on error instead of a negative error.  It leads to
an Oops in the caller.  A second problem is that the check for
"if (ret != -ENODATA)" cannot be true because "ret" is set to 1.

Fixes: 5785dd7a8ef0 ("drm/msm: Fix duplicate gpu node in icc summary")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211001125759.GJ2283@kili
Signed-off-by: Rob Clark <robdclark@chromium.org>

diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
index 82bebb4..a96ee79 100644 (file)
--- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
@@ -699,13 +699,14 @@ struct msm_gpu *a4xx_gpu_init(struct drm_device *dev)
        }
 
        icc_path = devm_of_icc_get(&pdev->dev, "gfx-mem");
-       ret = IS_ERR(icc_path);
-       if (ret)
+       if (IS_ERR(icc_path)) {
+               ret = PTR_ERR(icc_path);
                goto fail;
+       }
 
        ocmem_icc_path = devm_of_icc_get(&pdev->dev, "ocmem");
-       ret = IS_ERR(ocmem_icc_path);
-       if (ret) {
+       if (IS_ERR(ocmem_icc_path)) {
+               ret = PTR_ERR(ocmem_icc_path);
                /* allow -ENODATA, ocmem icc is optional */
                if (ret != -ENODATA)
                        goto fail;