Messages in this thread | | | Date | Wed, 16 Jan 2019 21:11:47 -0800 (PST) | Subject | Re: [PATCH net-next] openvswitch: meter: Use struct_size() in kzalloc() | From | David Miller <> |
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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com> Date: Tue, 15 Jan 2019 15:19:17 -0600
> 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; > struct boo entry[]; > }; > > instance = kzalloc(sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL); > > Instead of leaving these open-coded and prone to type mistakes, we can now > use the new struct_size() helper: > > instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL); > > This code was detected with the help of Coccinelle. > > Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Applied.
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