linux-kernel - [PATCH 2/3] media: vivid: Optimize the code using vmalloc

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Message-Id: <20251021143122.268730-3-tanze@kylinos.cn>
Date: Tue, 21 Oct 2025 22:31:21 +0800
From: tanze <tanze@...inos.cn>
To: mchehab@...nel.org,
	mingo@...nel.org,
	hverkuil@...nel.org,
	tskd08@...il.com
Cc: linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	tanze <tanze@...inos.cn>
Subject: [PATCH 2/3] media: vivid: Optimize the code using vmalloc_array

Change array_size() to vmalloc_array(), Due to vmalloc_array() is optimized better,
uses fewer instructions, and handles overflow more concisely

Signed-off-by: tanze <tanze@...inos.cn>
---
 drivers/media/test-drivers/vivid/vivid-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/test-drivers/vivid/vivid-core.c
index 86506be36acb..d9dac574af8b 100644
--- a/drivers/media/test-drivers/vivid/vivid-core.c
+++ b/drivers/media/test-drivers/vivid/vivid-core.c
@@ -1864,7 +1864,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
 		goto free_dev;
 
 	/* load the edid */
-	dev->edid = vmalloc(array_size(256, 128));
+	dev->edid = vmalloc_array(128, 256);
 	if (!dev->edid)
 		goto free_dev;
 
-- 
2.25.1