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: firefly_0821_release~176^2^2^2~55
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=485171b1ee8c7cc74cff9881b92b178b1c709663;p=firefly-linux-kernel-4.4.55.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 d08e214ec6e7..223d88e25e05 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;