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drm/nouveau: fix another lock unbalance in nouveau_crtc_page_flip

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Fixes a regression introduced by 060810d7ab "drm/nouveau: fix locking
issues in page flipping paths".  chan->cli->mutex is unlocked a second time
in the fail_unreserve path, fix this by moving mutex_unlock down.

Cc: stable@vger.kernel.org # v3.11+
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Maarten Lankhorst
2014-05-01 13:58:05 +02:00
committed by Ben Skeggs
parent ce23b234d1
commit 806cbc5026
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/nouveau/nouveau_display.c
+1 -1
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@@ -764,9 +764,9 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
}
ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
mutex_unlock(&chan->cli->mutex);
if (ret)
goto fail_unreserve;
mutex_unlock(&chan->cli->mutex);
/* Update the crtc struct and cleanup */
crtc->fb = fb;