switch_root: stop at first non-option. Closes bug 1425.

diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index 700f7997eadb5b69434d20b7046a6c23f099ebbe..bd1e9d5ce9a034869ae8e2bd2b54d85ca7a51dc6 100644 (file)
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -73,8 +73,8 @@ int switch_root_main(int argc, char **argv)
 
        // Parse args (-c console)
 
-       opt_complementary = "-2";
-       getopt32(argv, "c:", &console);
+       opt_complementary = "-2"; // minimum 2 params
+       getopt32(argv, "+c:", &console); // '+': stop parsing at first non-option
        argv += optind;
 
        // Change to new root directory and verify it's a different fs.