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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/gpu/drm/drm_modeset_lock.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/gpu/drm/drm_modeset_lock.c')
-rw-r--r--drivers/gpu/drm/drm_modeset_lock.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c
index fba321ca4..6675b1428 100644
--- a/drivers/gpu/drm/drm_modeset_lock.c
+++ b/drivers/gpu/drm/drm_modeset_lock.c
@@ -307,6 +307,8 @@ static inline int modeset_lock(struct drm_modeset_lock *lock,
WARN_ON(ctx->contended);
if (ctx->trylock_only) {
+ lockdep_assert_held(&ctx->ww_ctx);
+
if (!ww_mutex_trylock(&lock->mutex))
return -EBUSY;
else