drm: Prefer kcalloc() over kzalloc() with multiply

Fixes a couple of checkpatch warnings regarding the use of kzalloc()
with a multiplication. kcalloc() is the preferred API.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 76aa8fb..45e17df 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1583,7 +1583,7 @@ static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *gr
        total_objects += dev->mode_config.num_encoder;
        total_objects += dev->mode_config.num_bridge;
 
-       group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
+       group->id_list = kcalloc(total_objects, sizeof(uint32_t), GFP_KERNEL);
        if (!group->id_list)
                return -ENOMEM;
 
@@ -3400,7 +3400,7 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
                        ret = -EINVAL;
                        goto out_err1;
                }
-               clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+               clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
                if (!clips) {
                        ret = -ENOMEM;
                        goto out_err1;
@@ -3501,7 +3501,8 @@ struct drm_property *drm_property_create(struct drm_device *dev, int flags,
        property->dev = dev;
 
        if (num_values) {
-               property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
+               property->values = kcalloc(num_values, sizeof(uint64_t),
+                                          GFP_KERNEL);
                if (!property->values)
                        goto fail;
        }
@@ -4468,7 +4469,8 @@ int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
 {
        crtc->gamma_size = gamma_size;
 
-       crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
+       crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3,
+                                   GFP_KERNEL);
        if (!crtc->gamma_store) {
                crtc->gamma_size = 0;
                return -ENOMEM;