udhcp: fix some default values from "" to NULL
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c
index 49bcafb..6840f3c 100644
--- a/networking/udhcp/files.c
+++ b/networking/udhcp/files.c
@@ -80,9 +80,9 @@
/* keywords with no defaults must be last! */
{"option" , udhcp_str2optset, &server_config.options , ""},
{"opt" , udhcp_str2optset, &server_config.options , ""},
- {"notify_file" , read_str , &server_config.notify_file , ""},
- {"sname" , read_str , &server_config.sname , ""},
- {"boot_file" , read_str , &server_config.boot_file , ""},
+ {"notify_file" , read_str , &server_config.notify_file , NULL},
+ {"sname" , read_str , &server_config.sname , NULL},
+ {"boot_file" , read_str , &server_config.boot_file , NULL},
{"static_lease" , read_staticlease, &server_config.static_leases, ""},
};
enum { KWS_WITH_DEFAULTS = ARRAY_SIZE(keywords) - 6 };