Revert "drm/amd/amdgpu: Fix potential ioremap() memory leaks in amdgpu_device_init()"
authorMa Jun <Jun.Ma2@amd.com>
Tue, 19 Mar 2024 07:24:03 +0000 (15:24 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 20 Mar 2024 17:12:59 +0000 (13:12 -0400)
This patch causes the following iounmap erorr and calltrace
iounmap: bad address 00000000d0b3631f

The original patch was unjustified because amdgpu_device_fini_sw() will
always cleanup the rmmio mapping.

This reverts commit eb4f139888f636614dab3bcce97ff61cefc4b3a7.

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

index 1e9454e6e4cb4edaccd731b415a049ea83cff45f..5dc24c971b41f0a93c7463fbbf397d33e08c5563 100644 (file)
@@ -4040,10 +4040,8 @@ int amdgpu_device_init(struct amdgpu_device *adev,
         * early on during init and before calling to RREG32.
         */
        adev->reset_domain = amdgpu_reset_create_reset_domain(SINGLE_DEVICE, "amdgpu-reset-dev");
-       if (!adev->reset_domain) {
-               r = -ENOMEM;
-               goto unmap_memory;
-       }
+       if (!adev->reset_domain)
+               return -ENOMEM;
 
        /* detect hw virtualization here */
        amdgpu_detect_virtualization(adev);
@@ -4053,7 +4051,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
        r = amdgpu_device_get_job_timeout_settings(adev);
        if (r) {
                dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n");
-               goto unmap_memory;
+               return r;
        }
 
        amdgpu_device_set_mcbp(adev);
@@ -4061,12 +4059,12 @@ int amdgpu_device_init(struct amdgpu_device *adev,
        /* early init functions */
        r = amdgpu_device_ip_early_init(adev);
        if (r)
-               goto unmap_memory;
+               return r;
 
        /* Get rid of things like offb */
        r = drm_aperture_remove_conflicting_pci_framebuffers(adev->pdev, &amdgpu_kms_driver);
        if (r)
-               goto unmap_memory;
+               return r;
 
        /* Enable TMZ based on IP_VERSION */
        amdgpu_gmc_tmz_set(adev);
@@ -4076,7 +4074,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
        if (adev->gmc.xgmi.supported) {
                r = adev->gfxhub.funcs->get_xgmi_info(adev);
                if (r)
-                       goto unmap_memory;
+                       return r;
        }
 
        /* enable PCIE atomic ops */
@@ -4345,8 +4343,6 @@ release_ras_con:
 failed:
        amdgpu_vf_error_trans_all(adev);
 
-unmap_memory:
-       iounmap(adev->rmmio);
        return r;
 }