From 1a32aa0ff72ac41b3e9a7cc3e3415fe86408d308 Mon Sep 17 00:00:00 2001
From: Matt Macy <mmacy@FreeBSD.org>
Date: Tue, 29 May 2018 20:09:35 +0000
Subject: [PATCH] libpmc: don't return -1 on success in pmc_allocate

---
 lib/libpmc/libpmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libpmc/libpmc.c b/lib/libpmc/libpmc.c
index d138d9127b75..daea37c8c891 100644
--- a/lib/libpmc/libpmc.c
+++ b/lib/libpmc/libpmc.c
@@ -2796,9 +2796,9 @@ pmc_allocate(const char *ctrspec, enum pmc_mode mode,
 	ctrname = strsep(&r, ",");
 	if (pmc_pmu_pmcallocate(ctrname, &pmc_config) == 0) {
 		if (PMC_CALL(PMCALLOCATE, &pmc_config) < 0) {
-			retval = errno;
 			goto out;
 		}
+		retval = 0;
 		*pmcid = pmc_config.pm_pmcid;
 		goto out;
 	} else {