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authorMaarten Lankhorst <maarten.lankhorst@canonical.com>2014-05-01 13:58:05 +0200
committerBen Skeggs <bskeggs@redhat.com>2014-05-02 16:24:59 +1000
commit806cbc5026933a781b66adecf6d1658fde9138e6 (patch)
treef23fcdce03b144f01be69e6677e4f42bc0ae096b
parentce23b234d157f1dfea098fcc77cb5b6887d10df2 (diff)
downloadop-kernel-dev-806cbc5026933a781b66adecf6d1658fde9138e6.zip
op-kernel-dev-806cbc5026933a781b66adecf6d1658fde9138e6.tar.gz
drm/nouveau: fix another lock unbalance in nouveau_crtc_page_flip
Fixes a regression introduced by 060810d7abaabca "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>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index b1547b0..72e15713 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -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;
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