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| author | Christian König <christian.koenig@amd.com> | 2022-01-17 12:31:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 11:00:59 +0300 |
| commit | 74052697cbe0e40273855ffce7ae09d786b9e914 (patch) | |
| tree | bc1027e99dbf3f6de36fca47d67443a5aeb7bdfe /drivers/gpu/drm | |
| parent | 735d2772c36fe23ddcdf1047abf46ee9242cdb73 (diff) | |
| download | linux-74052697cbe0e40273855ffce7ae09d786b9e914.tar.xz | |
drm/radeon: fix error handling in radeon_driver_open_kms
commit 4722f463896cc0ef1a6f1c3cb2e171e949831249 upstream.
The return value was never initialized so the cleanup code executed when
it isn't even necessary.
Just add proper error handling.
Fixes: ab50cb9df889 ("drm/radeon/radeon_kms: Fix a NULL pointer dereference in radeon_driver_open_kms()")
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
Tested-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index fb292b9f3d40..b067ed26b9f5 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -673,18 +673,18 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); if (unlikely(!fpriv)) { r = -ENOMEM; - goto out_suspend; + goto err_suspend; } if (rdev->accel_working) { vm = &fpriv->vm; r = radeon_vm_init(rdev, vm); if (r) - goto out_fpriv; + goto err_fpriv; r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); if (r) - goto out_vm_fini; + goto err_vm_fini; /* map the ib pool buffer read only into * virtual address space */ @@ -692,7 +692,7 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) rdev->ring_tmp_bo.bo); if (!vm->ib_bo_va) { r = -ENOMEM; - goto out_vm_fini; + goto err_vm_fini; } r = radeon_vm_bo_set_addr(rdev, vm->ib_bo_va, @@ -700,19 +700,21 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) RADEON_VM_PAGE_READABLE | RADEON_VM_PAGE_SNOOPED); if (r) - goto out_vm_fini; + goto err_vm_fini; } file_priv->driver_priv = fpriv; } - if (!r) - goto out_suspend; + pm_runtime_mark_last_busy(dev->dev); + pm_runtime_put_autosuspend(dev->dev); + return 0; -out_vm_fini: +err_vm_fini: radeon_vm_fini(rdev, vm); -out_fpriv: +err_fpriv: kfree(fpriv); -out_suspend: + +err_suspend: pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); return r; |