drm/gem: Drop struct_mutex requirement from drm_gem_mmap_obj

[karo-tx-linux.git] / drivers / gpu / drm / drm_gem_cma_helper.c

diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
index 86cc793cdf79d154b2caad7eb42a99e595812954..4fb4c45d039f65be8b65460cd88185485dde3be0 100644 (file)
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
@@ -484,9 +484,7 @@ int drm_gem_cma_prime_mmap(struct drm_gem_object *obj,
        struct drm_device *dev = obj->dev;
        int ret;
 
-       mutex_lock(&dev->struct_mutex);
        ret = drm_gem_mmap_obj(obj, obj->size, vma);
-       mutex_unlock(&dev->struct_mutex);
        if (ret < 0)
                return ret;