From b7bdd854cbca47398e081a788eb339a21a684ead Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@suse.de>
Date: Fri, 19 Jun 2020 10:49:17 +0200
Subject: [PATCH] forkfd/linux: handle failure from sys_clone

Pick-to: 5.15
Change-Id: I98a28a816fdc089cefcbf8f42053ddffedc10cdf
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/3rdparty/forkfd/forkfd_linux.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/3rdparty/forkfd/forkfd_linux.c b/src/3rdparty/forkfd/forkfd_linux.c
index c4f723343f..f29b7c4262 100644
--- a/src/3rdparty/forkfd/forkfd_linux.c
+++ b/src/3rdparty/forkfd/forkfd_linux.c
@@ -151,6 +151,8 @@ int system_forkfd(int flags, pid_t *ppid, int *system)
     if (flags & FFD_VFORK_SEMANTICS)
         cloneflags |= CLONE_VFORK;
     pid = sys_clone(cloneflags, &pidfd);
+    if (pid < 0)
+        return pid;
     if (ppid)
         *ppid = pid;