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selftests/powerpc/pmu: Fix unsigned function returning negative constant

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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>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1650788802-14402-1-git-send-email-baihaowen@meizu.com
This commit is contained in:
Haowen Bai 2022-04-24 16:26:41 +08:00 committed by Michael Ellerman
parent 2fb70d1d36
commit a84ca704d8
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c
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@ -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)
{
if (!strcmp(register_name, "R0"))
return 0;