From dd69d7b7640fd4f957cee27eb274152cf8311f0c Mon Sep 17 00:00:00 2001
From: Vincent Vanlaer <vincent.vanlaer@skynet.be>
Date: Fri, 9 Feb 2018 19:37:01 +0100
Subject: Use VLA instead of heap alloc

---
 backend/drm/atomic.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/backend/drm/atomic.c b/backend/drm/atomic.c
index 10714e35..166d60a0 100644
--- a/backend/drm/atomic.c
+++ b/backend/drm/atomic.c
@@ -199,7 +199,7 @@ static bool atomic_crtc_move_cursor(struct wlr_drm_backend *drm,
 static bool atomic_crtc_set_gamma(struct wlr_drm_backend *drm,
 		struct wlr_drm_crtc *crtc, uint16_t *r, uint16_t *g, uint16_t *b,
 		uint32_t size) {
-	struct drm_color_lut *gamma = calloc(sizeof(struct drm_color_lut), size);
+	struct drm_color_lut gamma[size];
 
 	for (uint32_t i = 0; i < size; i++) {
 		gamma[i].red = r[i];
@@ -214,12 +214,9 @@ static bool atomic_crtc_set_gamma(struct wlr_drm_backend *drm,
 	if (drmModeCreatePropertyBlob(drm->fd, gamma,
 				sizeof(struct drm_color_lut) * size, &crtc->gamma_lut)) {
 		wlr_log_errno(L_ERROR, "Unable to create property blob");
-		free(gamma);
 		return false;
 	}
 
-	free(gamma);
-
 	struct atomic atom;
 	atomic_begin(crtc, &atom);
 	atomic_add(&atom, crtc->id, crtc->props.gamma_lut, crtc->gamma_lut);
-- 
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