From: Steven Rostedt (VMware) <rostedt@goodmis.org>
Date: Tue, 7 Feb 2017 17:05:25 +0000 (-0500)
Subject: ktest: Fix child exit code processing
X-Git-Tag: v3.10.106~96
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5bb7a6c43800704b75696d375ecc88a39ce231d2;p=thirdparty%2Fkernel%2Fstable.git

ktest: Fix child exit code processing

commit 32677207dcc5e594254b7fb4fb2352b1755b1d5b upstream.

The child_exit errno needs to be shifted by 8 bits to compare against the
return values for the bisect variables.

Fixes: c5dacb88f0a64 ("ktest: Allow overriding bisect test results")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
---

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 0d7fd8b515441..a0a8314df4b98 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -2375,7 +2375,7 @@ sub do_run_test {
     }
 
     waitpid $child_pid, 0;
-    $child_exit = $?;
+    $child_exit = $? >> 8;
 
     if (!$bug && $in_bisect) {
 	if (defined($bisect_ret_good)) {