From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20130518021701.643460691@goodmis.org> Date: Fri, 17 May 2013 22:18:02 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alex Deucher Subject: [ 125/136 ] drm/radeon: cleanup properly if mmio mapping fails References: <20130518021557.139113314@goodmis.org> Content-Disposition: inline; filename=0125-drm-radeon-cleanup-properly-if-mmio-mapping-fails.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.6.11.4 stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher [ Upstream commit 0cd9cb76ae26a19df21abc6f94f5fff141e689c7 ] 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 Cc: stable@vger.kernel.org Signed-off-by: Steven Rostedt --- drivers/gpu/drm/radeon/radeon_kms.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 414b4ac..e32f4c2 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -51,8 +51,12 @@ int radeon_driver_unload_kms(struct drm_device *dev) 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; -- 1.7.10.4