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.
Fixes: 5f6c3061af7c ("selftests/powerpc/pmu: Add utility functions to post
process the mmap buffer")
Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx>
---
V1->V2: add fix tag.
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)
{
if (!strcmp(register_name, "R0"))
return 0;
--
2.7.4
