linux-kernel - [tip: core/rcu] rcutorture: Make kvm-find-errors.sh abort on bad directory

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Date:   Tue, 24 Mar 2020 09:16:33 -0000
From:   "tip-bot2 for Paul E. McKenney" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Paul E. McKenney" <paulmck@...nel.org>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: core/rcu] rcutorture: Make kvm-find-errors.sh abort on bad directory

The following commit has been merged into the core/rcu branch of tip:

Commit-ID:     beabc806f5aaa158fc90a939215e8b44ee9d7acc
Gitweb:        https://git.kernel.org/tip/beabc806f5aaa158fc90a939215e8b44ee9d7acc
Author:        Paul E. McKenney <paulmck@...nel.org>
AuthorDate:    Mon, 16 Dec 2019 12:08:31 -08:00
Committer:     Paul E. McKenney <paulmck@...nel.org>
CommitterDate: Thu, 20 Feb 2020 16:03:30 -08:00

rcutorture: Make kvm-find-errors.sh abort on bad directory

Currently, kvm-find-errors.sh gives a usage prompt when given a bad
directory, but then soldiers on, giving a series of confusing error
messages.  This commit therefore prints an error message and exits when
given a bad directory, hopefully reducing confusion.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh
index 1871d00..6f50722 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh
@@ -20,7 +20,9 @@
 rundir="${1}"
 if test -z "$rundir" -o ! -d "$rundir"
 then
+	echo Directory "$rundir" not found.
 	echo Usage: $0 directory
+	exit 1
 fi
 editor=${EDITOR-vi}