Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: powerpc/spufs: use struct_size() in kmalloc() | Date | Thu, 24 Jan 2019 14:40:19 +1100 (AEDT) |
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On Tue, 2019-01-08 at 18:37:20 UTC, "Gustavo A. R. Silva" wrote: > 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 = kmalloc(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 = kmalloc(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 to powerpc next, thanks.
https://git.kernel.org/powerpc/c/00def7130af8b3fad1bdef98429c94a6
cheers
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