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drm/radeon/kms: fix memory leak in radeon_driver_load_kms
author
Xiaotian Feng
<dfeng@redhat.com>
Wed, 29 Jul 2009 13:28:24 +0000
(21:28 +0800)
committer
Dave Airlie
<airlied@redhat.com>
Tue, 4 Aug 2009 03:41:05 +0000
(13:41 +1000)
This patch fixes following kmemleak report:
unreferenced object 0xffff88022cb53000 (size 4096):
comm "work_for_cpu", pid 97, jiffies
4294672345
backtrace:
[<
ffffffff810eb222
>] create_object+0x19f/0x2a0
[<
ffffffff810eb422
>] kmemleak_alloc+0x26/0x4c
[<
ffffffff810e363f
>] __kmalloc+0x187/0x1b0
[<
ffffffffa005f3db
>] kzalloc.clone.0+0x13/0x15 [radeon]
[<
ffffffffa005f403
>] radeon_driver_load_kms+0x26/0xe1 [radeon]
[<
ffffffffa0017432
>] drm_get_dev+0x37f/0x480 [drm]
[<
ffffffffa007f424
>] radeon_pci_probe+0x15/0x269 [radeon]
[<
ffffffff811f8779
>] local_pci_probe+0x17/0x1b
[<
ffffffff8105ffbb
>] do_work_for_cpu+0x18/0x2a
[<
ffffffff81063c38
>] kthread+0x8a/0x92
[<
ffffffff81012cba
>] child_rip+0xa/0x20
[<
ffffffffffffffff
>] 0xffffffffffffffff
Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/radeon_kms.c
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diff --git
a/drivers/gpu/drm/radeon/radeon_kms.c
b/drivers/gpu/drm/radeon/radeon_kms.c
index 937a2f1cdb46997e1e7397cb74d932005dc6df14..3357110e30cebd24ff1fc452d387b7aa2c061a2f 100644
(file)
--- a/
drivers/gpu/drm/radeon/radeon_kms.c
+++ b/
drivers/gpu/drm/radeon/radeon_kms.c
@@
-58,6
+58,8
@@
int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
if (r) {
DRM_ERROR("Failed to initialize radeon, disabling IOCTL\n");
radeon_device_fini(rdev);
+ kfree(rdev);
+ dev->dev_private = NULL;
return r;
}
return 0;