This is a note to let you know that I've just added the patch titled
drm/gem: fix not to assign error value to gem name
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-gem-fix-not-to-assign-error-value-to-gem-name.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2e07fb229396f99fc173d8612f0f83ea9de0341b Mon Sep 17 00:00:00 2001
From: YoungJun Cho <yj44.cho@xxxxxxxxxxx>
Date: Thu, 27 Jun 2013 08:58:33 +0900
Subject: drm/gem: fix not to assign error value to gem name
From: YoungJun Cho <yj44.cho@xxxxxxxxxxx>
commit 2e07fb229396f99fc173d8612f0f83ea9de0341b upstream.
If idr_alloc() is failed, obj->name can be error value. Also
it cleans up duplicated flink processing code.
This regression has been introduced in
commit 2e928815c1886fe628ed54623aa98d0889cf5509
Author: Tejun Heo <tj@xxxxxxxxxx>
Date: Wed Feb 27 17:04:08 2013 -0800
drm: convert to idr_alloc()
Signed-off-by: YoungJun Cho <yj44.cho@xxxxxxxxxxx>
Signed-off-by: Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_gem.c | 18 +++++++-----------
1 file changed, 7 insertions(+), 11 deletions(-)
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -453,25 +453,21 @@ drm_gem_flink_ioctl(struct drm_device *d
spin_lock(&dev->object_name_lock);
if (!obj->name) {
ret = idr_alloc(&dev->object_name_idr, obj, 1, 0, GFP_NOWAIT);
- obj->name = ret;
- args->name = (uint64_t) obj->name;
- spin_unlock(&dev->object_name_lock);
- idr_preload_end();
-
if (ret < 0)
goto err;
- ret = 0;
+
+ obj->name = ret;
/* Allocate a reference for the name table. */
drm_gem_object_reference(obj);
- } else {
- args->name = (uint64_t) obj->name;
- spin_unlock(&dev->object_name_lock);
- idr_preload_end();
- ret = 0;
}
+ args->name = (uint64_t) obj->name;
+ ret = 0;
+
err:
+ spin_unlock(&dev->object_name_lock);
+ idr_preload_end();
drm_gem_object_unreference_unlocked(obj);
return ret;
}
Patches currently in stable-queue which might be from yj44.cho@xxxxxxxxxxx are
queue-3.10/drm-gem-fix-not-to-assign-error-value-to-gem-name.patch
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