Fix race between cat /proc/*/wchan and rmmod et al

[linux-2.6-block.git] / include / linux / module.h

diff --git a/include/linux/module.h b/include/linux/module.h
index 58d5a10cdf0d24a84543a373b33b9eb54dd3280f..099ae5932c6838748c49f514e5e125857c80536e 100644 (file)
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -454,6 +454,7 @@ const char *module_address_lookup(unsigned long addr,
                                  unsigned long *symbolsize,
                                  unsigned long *offset,
                                  char **modname);
+int lookup_module_symbol_name(unsigned long addr, char *symname);
 
 /* For extable.c to search modules' exception tables. */
 const struct exception_table_entry *search_module_extables(unsigned long addr);
@@ -525,6 +526,11 @@ static inline const char *module_address_lookup(unsigned long addr,
        return NULL;
 }
 
+static inline int lookup_module_symbol_name(unsigned long addr, char *symname)
+{
+       return -ERANGE;
+}
+
 static inline int module_get_kallsym(unsigned int symnum, unsigned long *value,
                                        char *type, char *name,
                                        char *module_name, int *exported)