gensquashfs: Make '-X help' work without specifying input/output files

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

2 files changed, 5 insertions, 6 deletions

diff --git a/mkfs/mkfs.c b/mkfs/mkfs.c
index c958d73..1fd95be 100644
--- a/mkfs/mkfs.c
+++ b/mkfs/mkfs.c
@@ -47,12 +47,6 @@ int main(int argc, char **argv)
 
 	process_command_line(&info.opt, argc, argv);
 
-	if (info.opt.comp_extra != NULL &&
-	    strcmp(info.opt.comp_extra, "help") == 0) {
-		compressor_print_help(info.opt.compressor);
-		return EXIT_SUCCESS;
-	}
-
 	if (sqfs_super_init(&info.super, info.opt.blksz, info.opt.def_mtime,
 			    info.opt.compressor)) {
 		return EXIT_FAILURE;
diff --git a/mkfs/options.c b/mkfs/options.c
index 14c648d..36539b7 100644
--- a/mkfs/options.c
+++ b/mkfs/options.c
@@ -308,6 +308,11 @@ void process_command_line(options_t *opt, int argc, char **argv)
 		}
 	}
 
+	if (opt->comp_extra != NULL && strcmp(opt->comp_extra, "help") == 0) {
+		compressor_print_help(opt->compressor);
+		exit(EXIT_SUCCESS);
+	}
+
 	if ((optind + 1) >= argc) {
 		fputs("Missing arguments: input and output files.\n", stderr);
 		goto fail_arg;