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drm: Fix framebuffer leak 

Do not leak framebuffer if client provided crtc id found invalid.

Signed-off-by: Nikhil Mahale <nmahale@nvidia.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1502250781-5779-1-git-send-email-nmahale@nvidia.com
This commit is contained in:
Nikhil Mahale 2017-08-09 09:23:01 +05:30 committed by Daniel Vetter
parent 0fa375e6bc
commit 491ab4700d
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/drm_plane.c
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@ -601,6 +601,7 @@ int drm_mode_setplane(struct drm_device *dev, void *data,
crtc = drm_crtc_find(dev, plane_req->crtc_id);
if (!crtc) {
drm_framebuffer_put(fb);
DRM_DEBUG_KMS("Unknown crtc ID %d\n",
plane_req->crtc_id);
return -ENOENT;