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SubjectRe: [PATCH] selftests/powerpc/pmu: Fix unsigned function returning negative constant
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On 4/24/22 13:56, Haowen Bai wrote:
> The function __perf_reg_mask has an unsigned return type, but returns a
> negative constant to indicate an error condition. So we change unsigned
> to int.
>
> Signed-off-by: Haowen Bai <baihaowen@meizu.com>
> ---
> tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c
> index fca054bbc094..c01a31d5f4ee 100644
> --- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c
> +++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c
> @@ -274,7 +274,7 @@ u64 *get_intr_regs(struct event *event, void *sample_buff)
> return intr_regs;
> }
>
> -static const unsigned int __perf_reg_mask(const char *register_name)
> +static const int __perf_reg_mask(const char *register_name)
> {

Hi Haowen,
Thanks for correcting it. Can you also add fix tag with corresponding
commit id details.

Other than that patch looks good to me.

Reviewed-by: Kajol Jain<kjain@linux.ibm.com>

Thanks,
Kajol Jain


> if (!strcmp(register_name, "R0"))
> return 0;

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