From: Haowen Bai Date: Sun, 24 Apr 2022 08:26:41 +0000 (+0800) Subject: selftests/powerpc/pmu: Fix unsigned function returning negative constant X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a84ca704d8306a949578d36c028c8e1bab3dcf0b;p=linux.git selftests/powerpc/pmu: Fix unsigned function returning negative constant 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 Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/1650788802-14402-1-git-send-email-baihaowen@meizu.com --- diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c index fca054bbc0945..c01a31d5f4eee 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;