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From 14a4f41a94cc4bd227940c4bd976e39d9f13e8c5 Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Thu, 7 Jun 2018 12:05:08 +0200
Subject: [PATCH 168/173] losetup: keep -f and <devname> mutually exclusive
losetup tries to blindly use specified device as well as search for
the first free device, the result is:
# losetup /dev/loop1 -f /tmp/tfile_loop1
losetup: /dev/loop1: failed to set up loop device: Invalid argument
fixed version:
# losetup /dev/loop10 -f img
losetup: unexpected arguments
Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1566432
Upstream: http://github.com/karelzak/util-linux/commit/c3f5a0f1d47dbc47f6d21da232d4eb1cfb7905db
Signed-off-by: Karel Zak <kzak@redhat.com>
---
sys-utils/losetup.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/sys-utils/losetup.c b/sys-utils/losetup.c
index d9b0c9b61..8df831b8f 100644
--- a/sys-utils/losetup.c
+++ b/sys-utils/losetup.c
@@ -545,6 +545,9 @@ int main(int argc, char **argv)
*/
act = A_CREATE;
file = argv[optind++];
+
+ if (optind < argc)
+ errx(EXIT_FAILURE, _("unexpected arguments"));
}
if (list && !act && optind == argc)
--
2.14.4