Re: [PATCH 0/3] cast sizeof to int for comparison

Joe Perches
2018-07-01T18:26:32Z

On Sun, 2018-07-01 at 19:32 +0200, Julia Lawall wrote:
> Comparing an int to a size, which is unsigned, causes the int to become
> unsigned, giving the wrong result.
>
> The semantic match that finds this problem is as follows:
> (http://coccinelle.lip6.fr/)

Great, thanks.

But what about the ones in net/smc like:

> net/smc/smc_clc.c:
>
> len = kernel_sendmsg(smc->clcsock, &msg, &vec, 1,
> sizeof(struct smc_clc_msg_decline));
> if (len < sizeof(struct smc_clc_msg_decline))

Are those detected by the semantic match and ignored?