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Merge tag 'nfsd-4.4' of git://linux-nfs.org/~bfields/linux
[cascardo/linux.git]
/
drivers
/
gpu
/
drm
/
drm_modeset_lock.c
diff --git
a/drivers/gpu/drm/drm_modeset_lock.c
b/drivers/gpu/drm/drm_modeset_lock.c
index
fba321c
..
6675b14
100644
(file)
--- 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