From 0a3b86f90ceac8de887095fc7904851d67fac413 Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Tue, 6 Apr 2021 17:10:49 +0200
Subject: [PATCH] macro: ensure ret_errno() always returns negative

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---
 src/lxc/macro.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/lxc/macro.h b/src/lxc/macro.h
index 4c13f8335..42f95c235 100644
--- a/src/lxc/macro.h
+++ b/src/lxc/macro.h
@@ -663,10 +663,10 @@ enum {
 		__internal_ret__;                             \
 	})
 
-#define ret_errno(__errno__)         \
-	({                           \
-		errno = (__errno__); \
-		-(__errno__);        \
+#define ret_errno(__errno__)             \
+	({                               \
+		errno = labs(__errno__); \
+		-errno;                  \
 	})
 
 /* Container's specific file/directory names */
-- 
2.47.2