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-rw-r--r--include/usage.h2
-rw-r--r--util-linux/losetup.c3
2 files changed, 3 insertions, 2 deletions
diff --git a/include/usage.h b/include/usage.h
index 12c45b4..9de9df8 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -1657,7 +1657,7 @@
"\t-f\t\toutput data as the log grows"
#define losetup_trivial_usage \
- "[-od] LOOPDEVICE [FILE]\n"
+ "[-od] LOOPDEVICE [FILE]"
#define losetup_full_usage \
"Associate LOOPDEVICE with FILE, or display current association.\n\n" \
"Options:\n" \
diff --git a/util-linux/losetup.c b/util-linux/losetup.c
index b2af63d..44721bd 100644
--- a/util-linux/losetup.c
+++ b/util-linux/losetup.c
@@ -33,7 +33,8 @@ int losetup_main (int argc, char **argv)
switch(getopt(argc,argv, "do:")) {
case 'd':
/* detach takes exactly one argument */
- if(optind+1==argc && !del_loop(argv[optind])) return EXIT_SUCCESS;
+ if(optind+1!=argc) bb_show_usage();
+ if(!del_loop(argv[optind])) return EXIT_SUCCESS;
die_failed:
bb_perror_msg_and_die("%s",argv[optind]);