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: v4.9.15~37
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ff61e0123b7d8fe13ae8b6f96e5c3abfc11357fc;p=users%2Fdwmw2%2Flinux.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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index d08e214ec6e79..223d88e25e054 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -2629,7 +2629,7 @@ sub do_run_test {
     }
 
     waitpid $child_pid, 0;
-    $child_exit = $?;
+    $child_exit = $? >> 8;
 
     my $end_time = time;
     $test_time = $end_time - $start_time;