mtd: concat: Use kmemdup_array instead of kmemdup for multiple allocation
When we are allocating an array, using kmemdup_array() to take care about multiplication and possible overflows. Also it makes auditing the code easier. Signed-off-by: Yan Zhen <yanzhen@vivo.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20240823110824.3895787-1-yanzhen@vivo.com
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@ -204,7 +204,7 @@ concat_writev(struct mtd_info *mtd, const struct kvec *vecs,
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}
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/* make a copy of vecs */
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/* make a copy of vecs */
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vecs_copy = kmemdup(vecs, sizeof(struct kvec) * count, GFP_KERNEL);
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vecs_copy = kmemdup_array(vecs, count, sizeof(struct kvec), GFP_KERNEL);
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if (!vecs_copy)
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if (!vecs_copy)
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return -ENOMEM;
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return -ENOMEM;
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