[PATCH] correctly return errno

[Lorenzo Stoakes]

---
 tools/testing/selftests/mm/vm_util.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/mm/vm_util.c b/tools/testing/selftests/mm/vm_util.c
index 891ce17453cd..1357e2d6a7b6 100644
--- a/tools/testing/selftests/mm/vm_util.c
+++ b/tools/testing/selftests/mm/vm_util.c
@@ -440,7 +440,7 @@ int open_procmap(pid_t pid, struct procmap_fd *procmap_out)
 	procmap_out->query.size = sizeof(procmap_out->query);
 	procmap_out->fd = open(path, O_RDONLY);
 	if (procmap_out < 0)
-		ret = errno;
+		ret = -errno;

 	return ret;
 }
@@ -451,7 +451,7 @@ int query_procmap(struct procmap_fd *procmap)
 	int ret = 0;

 	if (ioctl(procmap->fd, PROCMAP_QUERY, &procmap->query) == -1)
-		ret = errno;
+		ret = -errno;

 	return ret;
 }
--
2.48.1