From e5e0bd38d2c62cdb06d143c547a6d80f5ac6a941 Mon Sep 17 00:00:00 2001
From: Kuba Sejdak <jakub.sejdak@phoesys.com>
Date: Fri, 24 Jun 2016 14:14:49 +0200
Subject: [PATCH] Phoenix-RTOS: Fix warning with pointer treated as integer.

---
 newlib/libc/sys/phoenix/groups.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/newlib/libc/sys/phoenix/groups.c b/newlib/libc/sys/phoenix/groups.c
index 11cc079e4..b23147568 100644
--- a/newlib/libc/sys/phoenix/groups.c
+++ b/newlib/libc/sys/phoenix/groups.c
@@ -96,5 +96,5 @@ int setpgrp(pid_t pid, pid_t pgid)
 {
 	/* TODO: implement. */
 	errno = ENOSYS;
-	return NULL;
+	return -1;
 }