[ 3.5.y.z extended stable ] Patch "drm/radeon: cleanup properly if mmio mapping fails" has been added to staging queue
Luis Henriques
luis.henriques at canonical.com
Wed May 15 10:33:25 UTC 2013
This is a note to let you know that I have just added a patch titled
drm/radeon: cleanup properly if mmio mapping fails
to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Luis
------
>From 4eb1f4e3cc3e75e47c3368b4230a36d4e7aa5253 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher at amd.com>
Date: Fri, 12 Apr 2013 19:15:52 -0400
Subject: [PATCH] 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 at amd.com>
[ luis: adjust context ]
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
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 5c58d7d..c574139 100644
--- 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_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;
--
1.8.1.2
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