X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Flinux%2Fmoduleparam.h;h=c83588c8d08b25aacbc72edc2d3529912c674248;hb=1497943ee692aa7519fa972d0e3a339649bf3a96;hp=7c0c2c198f1f64400cb269d2e9608031e690ea30;hpb=86579dd06deecfa6ac88d5e84e4d63c397cd6f6d;p=powerpc.git

diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 7c0c2c198f..c83588c8d0 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -59,10 +59,13 @@ struct kparam_array
 };
 
 /* This is the fundamental function for registering boot/module
-   parameters.  perm sets the visibility in driverfs: 000 means it's
+   parameters.  perm sets the visibility in sysfs: 000 means it's
    not there, read bits mean it's readable, write bits mean it's
    writable. */
 #define __module_param_call(prefix, name, set, get, arg, perm)		\
+	/* Default value instead of permissions? */			\
+	static int __param_perm_check_##name __attribute__((unused)) =	\
+	BUILD_BUG_ON_ZERO((perm) < 0 || (perm) > 0777 || ((perm) & 2));	\
 	static char __param_str_##name[] = prefix #name;		\
 	static struct kernel_param const __param_##name			\
 	__attribute_used__						\
@@ -166,10 +169,22 @@ extern int param_get_string(char *buffer, struct kernel_param *kp);
 
 struct module;
 
+#if defined(CONFIG_SYSFS) && defined(CONFIG_MODULES)
 extern int module_param_sysfs_setup(struct module *mod,
 				    struct kernel_param *kparam,
 				    unsigned int num_params);
 
 extern void module_param_sysfs_remove(struct module *mod);
+#else
+static inline int module_param_sysfs_setup(struct module *mod,
+			     struct kernel_param *kparam,
+			     unsigned int num_params)
+{
+	return 0;
+}
+
+static inline void module_param_sysfs_remove(struct module *mod)
+{ }
+#endif
 
 #endif /* _LINUX_MODULE_PARAMS_H */