Re: [PATCH net-next] wimax/i2400m: use struct_size() helper
From: David Miller
Date: Sat May 04 2019 - 00:06:42 EST
From: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx>
Date: Tue, 30 Apr 2019 22:27:32 -0500
> Make use of the struct_size() helper instead of an open-coded version
> in order to avoid any potential type mistakes, in particular in the
> context in which this code is being used.
> So, replace code of the following form:
> sizeof(*tx_msg) + le16_to_cpu(tx_msg->num_pls) * sizeof(tx_msg->pld);
> struct_size(tx_msg, pld, le16_to_cpu(tx_msg->num_pls));
> This code was detected with the help of Coccinelle.
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>