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media: test_drivers: vivid-core: Use array_size() helper

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The tpg_alloc() and vmalloc() functions have no 2-factor argument form, so
multiplication factors need to be wrapped in array_size().

This issue was found with the help of Coccinelle and, audited and fixed
manually.

Addresses-KSPP-ID: https://github.com/KSPP/linux/issues/83

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2020-06-15 23:40:15 +02:00 committed by Mauro Carvalho Chehab
parent 961d3b27a2
commit a32e8adf2f
1 changed files with 2 additions and 2 deletions
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4
drivers/media/test-drivers/vivid/vivid-core.c
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@ -1126,7 +1126,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
ret = -ENOMEM;
/* initialize the test pattern generator */
tpg_init(&dev->tpg, 640, 360);
if (tpg_alloc(&dev->tpg, MAX_ZOOM * MAX_WIDTH))
if (tpg_alloc(&dev->tpg, array_size(MAX_WIDTH, MAX_ZOOM)))
goto free_dev;
dev->scaled_line = vzalloc(array_size(MAX_WIDTH, MAX_ZOOM));
if (!dev->scaled_line)
@ -1136,7 +1136,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
goto free_dev;
/* load the edid */
dev->edid = vmalloc(256 * 128);
dev->edid = vmalloc(array_size(256, 128));
if (!dev->edid)
goto free_dev;