diff options
Diffstat (limited to 'drm-udl-Use-unlocked-gem-unreferencing.patch')
| -rw-r--r-- | drm-udl-Use-unlocked-gem-unreferencing.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drm-udl-Use-unlocked-gem-unreferencing.patch b/drm-udl-Use-unlocked-gem-unreferencing.patch new file mode 100644 index 000000000..e2dbabe83 --- /dev/null +++ b/drm-udl-Use-unlocked-gem-unreferencing.patch @@ -0,0 +1,58 @@ +From patchwork Mon Nov 23 09:32:42 2015 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [09/29] drm/udl: Use unlocked gem unreferencing +From: Daniel Vetter <daniel.vetter@ffwll.ch> +X-Patchwork-Id: 65722 +Message-Id: <1448271183-20523-10-git-send-email-daniel.vetter@ffwll.ch> +To: DRI Development <dri-devel@lists.freedesktop.org> +Cc: Daniel Vetter <daniel.vetter@intel.com>, + Daniel Vetter <daniel.vetter@ffwll.ch>, + Intel Graphics Development <intel-gfx@lists.freedesktop.org>, + Dave Airlie <airlied@redhat.com> +Date: Mon, 23 Nov 2015 10:32:42 +0100 + +For drm_gem_object_unreference callers are required to hold +dev->struct_mutex, which these paths don't. Enforcing this requirement +has become a bit more strict with + +commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663 +Author: Daniel Vetter <daniel.vetter@ffwll.ch> +Date: Thu Oct 15 09:36:25 2015 +0200 + + drm/gem: Check locking in drm_gem_object_unreference + +Cc: Dave Airlie <airlied@redhat.com> +Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> +--- + drivers/gpu/drm/udl/udl_fb.c | 2 +- + drivers/gpu/drm/udl/udl_gem.c | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c +index 200419d4d43c..18a2acbccb7d 100644 +--- a/drivers/gpu/drm/udl/udl_fb.c ++++ b/drivers/gpu/drm/udl/udl_fb.c +@@ -538,7 +538,7 @@ static int udlfb_create(struct drm_fb_helper *helper, + out_destroy_fbi: + drm_fb_helper_release_fbi(helper); + out_gfree: +- drm_gem_object_unreference(&ufbdev->ufb.obj->base); ++ drm_gem_object_unreference_unlocked(&ufbdev->ufb.obj->base); + out: + return ret; + } +diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c +index 2a0a784ab6ee..d7528e0d8442 100644 +--- a/drivers/gpu/drm/udl/udl_gem.c ++++ b/drivers/gpu/drm/udl/udl_gem.c +@@ -52,7 +52,7 @@ udl_gem_create(struct drm_file *file, + return ret; + } + +- drm_gem_object_unreference(&obj->base); ++ drm_gem_object_unreference_unlocked(&obj->base); + *handle_p = handle; + return 0; + } |