Commit d6b09e75 authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds

fault-injection: fix failcmd.sh warning

"fault-injection: add tool to run command with failslab or
fail_page_alloc" added tools/testing/fault-injection/failcmd.sh to make it
easier to inject slab/page allocation failures by fault injection.

failcmd.sh prints the following warning when running with arguments
for command.

	# ./failcmd.sh echo aaa
	failcmd.sh: line 209: [: echo: binary operator expected
	aaa

This warning is caused by an improper check whether at least one
parameter is left after parsing command options.

Fix it by testing the length of $1 instead of $@
Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2e3ee613
......@@ -206,7 +206,7 @@ while true; do
esac
done
[ -z "$@" ] && exit 0
[ -z "$1" ] && exit 0
echo $oom_kill_allocating_task > /proc/sys/vm/oom_kill_allocating_task
echo $task_filter > $FAULTATTR/task-filter
......
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