From: Paul Asmuth <paul@asmuth.com>
Date: Fri, 9 Nov 2018 16:02:11 +0000 (+0100)
Subject: fix a bug where switch_root would erroneously try to parse initargs
X-Git-Tag: v2.33.1~30
X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Futil-linux.git;a=commitdiff_plain;h=831fc7b7eef226b11c8b36bc8e3adba16b65e98f

fix a bug where switch_root would erroneously try to parse initargs

before this change, switch_root would try to parse all arguments,
including 'initargs', using getopt, which would lead to an 'unrecognized
option' error when trying to pass a flag to the init program
---

diff --git a/sys-utils/switch_root.c b/sys-utils/switch_root.c
index 3c66d01867..a85ce24b93 100644
--- a/sys-utils/switch_root.c
+++ b/sys-utils/switch_root.c
@@ -227,7 +227,7 @@ int main(int argc, char *argv[])
 
 	atexit(close_stdout);
 
-	while ((c = getopt_long(argc, argv, "Vh", longopts, NULL)) != -1)
+	while ((c = getopt_long(argc, argv, "+Vh", longopts, NULL)) != -1)
 		switch (c) {
 		case 'V':
 			printf(UTIL_LINUX_VERSION);