| From: Alex Deucher <alexander.deucher@amd.com> |
| Date: Fri, 12 Apr 2013 19:15:52 -0400 |
| Subject: drm/radeon: cleanup properly if mmio mapping fails |
| |
| commit 0cd9cb76ae26a19df21abc6f94f5fff141e689c7 upstream. |
| |
| If we fail to map the mmio BAR, skip driver tear down |
| that requires mmio. |
| |
| Should fix: |
| https://bugzilla.kernel.org/show_bug.cgi?id=56541 |
| |
| Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
| [bwh: Backported to 3.2: adjust context] |
| Signed-off-by: Ben Hutchings <ben@decadent.org.uk> |
| --- |
| drivers/gpu/drm/radeon/radeon_kms.c | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| --- a/drivers/gpu/drm/radeon/radeon_kms.c |
| +++ b/drivers/gpu/drm/radeon/radeon_kms.c |
| @@ -39,8 +39,12 @@ int radeon_driver_unload_kms(struct drm_ |
| |
| if (rdev == NULL) |
| return 0; |
| + if (rdev->rmmio == NULL) |
| + goto done_free; |
| radeon_modeset_fini(rdev); |
| radeon_device_fini(rdev); |
| + |
| +done_free: |
| kfree(rdev); |
| dev->dev_private = NULL; |
| return 0; |
