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drm/amdgpu: unmap register bar on device init failure

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We never unmapped the regiser BAR on failure.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2020-09-16 10:28:55 -04:00
parent b6c91dadaf
commit 4192f7b576
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -3209,13 +3209,13 @@ 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");
return r;
goto failed_unmap;
}
/* early init functions */
r = amdgpu_device_ip_early_init(adev);
if (r)
return r;
goto failed_unmap;
/* doorbell bar mapping and doorbell index init*/
amdgpu_device_doorbell_init(adev);
@ -3419,6 +3419,10 @@ failed:
if (boco)
vga_switcheroo_fini_domain_pm_ops(adev->dev);
failed_unmap:
iounmap(adev->rmmio);
adev->rmmio = NULL;
return r;
}