From mboxrd@z Thu Jan 1 00:00:00 1970 From: miquel.raynal@bootlin.com (Miquel Raynal) Date: Tue, 4 Sep 2018 23:58:16 +0200 Subject: [PATCH] mtd: rawnand: atmel: use struct_size() in devm_kzalloc() In-Reply-To: <20180824010938.GA25581@embeddedor.com> References: <20180824010938.GA25581@embeddedor.com> Message-ID: <20180904235816.4b239b7a@xps13> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Gustavo, "Gustavo A. R. Silva" wrote on Thu, 23 Aug 2018 20:09:38 -0500: > One of the more common cases of allocation size calculations is finding > the size of a structure that has a zero-sized array at the end, along > with memory for some number of elements for that array. For example: > > struct foo { > int stuff; > void *entry[]; > }; > > instance = devm_kzalloc(dev, sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL); > > Instead of leaving these open-coded and prone to type mistakes, we can > now use the new struct_size() helper: > > instance = devm_kzalloc(dev, struct_size(instance, entry, count), GFP_KERNEL); > > This issue was detected with the help of Coccinelle. > > Signed-off-by: Gustavo A. R. Silva > --- Applied to nand/next. Thanks, Miqu?l