From 884efa83d6d420e5e7ce06fe8c871e3f841e442b Mon Sep 17 00:00:00 2001
From: Ross Burton <ross@burtonini.com>
Date: Wed, 8 Dec 2021 17:02:30 +0000
Subject: runqemu: check the qemu PID has been set before kill()ing it

If runqemu is killed, check that we have a valid PID for the qemu before
sending a kill() to it.

[ YOCTO #14651 ]

(From OE-Core rev: 7e37e453e15114dec0b89636e92f93c7fa127ae4)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 0f3afbd3a6a6bef668612f818517df7543c0a683)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 scripts/runqemu | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'scripts')

diff --git a/scripts/runqemu b/scripts/runqemu
index f3527a4412..f9a1a0da32 100755
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -1573,7 +1573,8 @@ def main():
 
         def sigterm_handler(signum, frame):
             logger.info("SIGTERM received")
-            os.kill(config.qemupid, signal.SIGTERM)
+            if config.qemupid:
+                os.kill(config.qemupid, signal.SIGTERM)
             config.cleanup()
             # Deliberately ignore the return code of 'tput smam'.
             subprocess.call(["tput", "smam"])
-- 
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