Re: [PATCH 2/4] kselftest/arm64: Fix printf() warning in the arm64 MTE prctl() test

[Mark Brown]

On Fri, Nov 08, 2024 at 01:49:18PM +0000, Catalin Marinas wrote:
> While prctl() returns an 'int', the PR_MTE_TCF_MASK is defined as
> unsigned long which results in the larger type following a bitwise 'and'
> operation. Cast the printf() argument to 'int'.

>       } else {
>               ksft_print_msg("Got %x, expected %x\n",
> -                            (ret & PR_MTE_TCF_MASK), mask);
> +                            (int)(ret & PR_MTE_TCF_MASK), mask);

Shouldn't we just use a %lx here?  Casts tend to be suspicious...

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