diff --git a/include/linux/export.h b/include/linux/export.h
index 95f55b7f83a0..0695d4e847d9 100644
--- a/include/linux/export.h
+++ b/include/linux/export.h
@@ -52,7 +52,7 @@ extern struct module __this_module;
 	__ADDRESSABLE(sym)						\
 	asm("	.section \"___ksymtab" sec "+" #sym "\", \"a\"	\n"	\
 	    "	.balign	4					\n"	\
-	    "__ksymtab_" #sym NS_SEPARATOR #ns ":		\n"	\
+	    "__ksymtab_" #ns NS_SEPARATOR #sym ":		\n"	\
 	    "	.long	" #sym "- .				\n"	\
 	    "	.long	__kstrtab_" #sym "- .			\n"	\
 	    "	.long	__kstrtab_ns_" #sym "- .		\n"	\
@@ -76,7 +76,7 @@ struct kernel_symbol {
 #else
 #define __KSYMTAB_ENTRY_NS(sym, sec, ns)				\
 	static const struct kernel_symbol __ksymtab_##sym##__##ns	\
-	asm("__ksymtab_" #sym NS_SEPARATOR #ns)				\
+	asm("__ksymtab_" #ns NS_SEPARATOR #sym)				\
 	__attribute__((section("___ksymtab" sec "+" #sym), used))	\
 	__aligned(sizeof(void *))					\
 	= { (unsigned long)&sym, __kstrtab_##sym, __kstrtab_ns_##sym }
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 3961941e8e7a..c4b536ac1327 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -350,18 +350,16 @@ static enum export export_from_sec(struct elf_info *elf, unsigned int sec)
 
 static const char *sym_extract_namespace(const char **symname)
 {
-	size_t n;
-	char *dupsymname;
+	char *namespace = NULL;
+	char *ns_separator;
 
-	n = strcspn(*symname, ".");
-	if (n < strlen(*symname) - 1) {
-		dupsymname = NOFAIL(strdup(*symname));
-		dupsymname[n] = '\0';
-		*symname = dupsymname;
-		return dupsymname + n + 1;
+	ns_separator = strchr(*symname, '.');
+	if (ns_separator) {
+		namespace = NOFAIL(strndup(*symname, ns_separator - *symname));
+		*symname = ns_separator + 1;
 	}
 
-	return NULL;
+	return namespace;
 }
 
 /**