diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem_shrinker.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem_shrinker.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem_shrinker.c b/drivers/gpu/drm/msm/msm_gem_shrinker.c index 6d2e885bd58e..b77bca75bb5f 100644 --- a/drivers/gpu/drm/msm/msm_gem_shrinker.c +++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c @@ -20,13 +20,21 @@ static bool msm_gem_shrinker_lock(struct drm_device *dev, bool *unlock) { - if (!mutex_trylock(&dev->struct_mutex)) + switch (mutex_trylock_recursive(&dev->struct_mutex)) { + case MUTEX_TRYLOCK_FAILED: return false; - *unlock = true; - return true; -} + case MUTEX_TRYLOCK_SUCCESS: + *unlock = true; + return true; + + case MUTEX_TRYLOCK_RECURSIVE: + *unlock = false; + return true; + } + BUG(); +} static unsigned long msm_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) |