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Subject[PATCH 3.18 080/145] ktest: Fix child exit code processing
Date
3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Steven Rostedt (VMware) <rostedt@goodmis.org>

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>

---
tools/testing/ktest/ktest.pl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -2450,7 +2450,7 @@ sub do_run_test {
}

waitpid $child_pid, 0;
- $child_exit = $?;
+ $child_exit = $? >> 8;

if (!$bug && $in_bisect) {
if (defined($bisect_ret_good)) {

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