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drm: Replace kzalloc with kcalloc 

Prefer kcalloc over kzalloc to allocate an array.
This patch fixes checkcpatch issue.

Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171013073747.29877-1-harshasharmaiitr@gmail.com
Link: https://patchwork.freedesktop.org/patch/msgid/20171013073747.29877-1-harshasharmaiitr@gmail.com
This commit is contained in:
Harsha Sharma 2017-10-13 13:07:47 +05:30 committed by Sean Paul
parent 9205281cb3
commit 4b947b1c5a
3 changed files with 4 additions and 4 deletions
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4
drivers/gpu/drm/drm_crtc_helper.c
View File

@ -562,12 +562,12 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set,
* Allocate space for the backup of all (non-pointer) encoder and
* connector data.
*/
save_encoder_crtcs = kzalloc(dev->mode_config.num_encoder *
save_encoder_crtcs = kcalloc(dev->mode_config.num_encoder,
sizeof(struct drm_crtc *), GFP_KERNEL);
if (!save_encoder_crtcs)
return -ENOMEM;
save_connector_encoders = kzalloc(dev->mode_config.num_connector *
save_connector_encoders = kcalloc(dev->mode_config.num_connector,
sizeof(struct drm_encoder *), GFP_KERNEL);
if (!save_connector_encoders) {
kfree(save_encoder_crtcs);

2
drivers/gpu/drm/drm_fb_helper.c
View File

@ -2266,7 +2266,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
if (modes[n] == NULL)
return best_score;
crtcs = kzalloc(fb_helper->connector_count *
crtcs = kcalloc(fb_helper->connector_count,
sizeof(struct drm_fb_helper_crtc *), GFP_KERNEL);
if (!crtcs)
return best_score;

2
drivers/gpu/drm/drm_plane_helper.c
View File

@ -354,7 +354,7 @@ int drm_primary_helper_update(struct drm_plane *plane, struct drm_crtc *crtc,
/* Find current connectors for CRTC */
num_connectors = get_connectors_for_crtc(crtc, NULL, 0);
BUG_ON(num_connectors == 0);
connector_list = kzalloc(num_connectors * sizeof(*connector_list),
connector_list = kcalloc(num_connectors, sizeof(*connector_list),
GFP_KERNEL);
if (!connector_list)
return -ENOMEM;