Re: [PATCH 0/3] cast sizeof to int for comparison
From: Joe Perches
Date: Sun Jul 01 2018 - 14:26:46 EST
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:
But what about the ones in net/smc like:
> 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?