Simply forgotten about this when I was doing my general cleansing of simple gem mmap offset functions. There's nothing but core functions called here, and they all have their own protection already.
Cc: Patrik Jakobsson patrik.r.jakobsson@gmail.com Acked-by: Patrik Jakobsson patrik.r.jakobsson@gmail.com Signed-off-by: Daniel Vetter daniel.vetter@intel.com --- drivers/gpu/drm/gma500/gem.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c index e3bdc8b1c32c..f0357f525f56 100644 --- a/drivers/gpu/drm/gma500/gem.c +++ b/drivers/gpu/drm/gma500/gem.c @@ -62,15 +62,10 @@ int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, int ret = 0; struct drm_gem_object *obj;
- mutex_lock(&dev->struct_mutex); - /* GEM does all our handle to object mapping */ obj = drm_gem_object_lookup(dev, file, handle); - if (obj == NULL) { - ret = -ENOENT; - goto unlock; - } - /* What validation is needed here ? */ + if (obj == NULL) + return -ENOENT;
/* Make it mmapable */ ret = drm_gem_create_mmap_offset(obj); @@ -78,9 +73,7 @@ int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, goto out; *offset = drm_vma_node_offset_addr(&obj->vma_node); out: - drm_gem_object_unreference(obj); -unlock: - mutex_unlock(&dev->struct_mutex); + drm_gem_object_unreference_unlocked(obj); return ret; }