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-rw-r--r--contrib/pjdfstest/tests/link/15.t2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/pjdfstest/tests/link/15.t b/contrib/pjdfstest/tests/link/15.t
index cb41ad503370..0dc7648df5cb 100644
--- a/contrib/pjdfstest/tests/link/15.t
+++ b/contrib/pjdfstest/tests/link/15.t
@@ -26,7 +26,7 @@ while :; do
if [ $? -ne 0 ]; then
break
fi
- i=`expr $i + 1`
+ i=$((i + 1))
done
expect ENOSPC link ${n0}/${n1} ${n0}/${n2}
umount /dev/md${n}