[PATCH] Modules: Be stricter recognizing init&exit sesections

Someone pointed out that -ffunction-sections can cause a function called
"init<something>" to be put in the init section, and discarded.  This
hurts PARISC badly.  Get more fussy with identifying them.

kernel/module.c

@@ -1211,7 +1211,8 @@ static void layout_sections(struct module *mod,
 			if ((s->sh_flags & masks[m][0]) != masks[m][0]
 			    || (s->sh_flags & masks[m][1])
 			    || s->sh_entsize != ~0UL
-			    || strstr(secstrings + s->sh_name, ".init"))
+			    || strncmp(secstrings + s->sh_name,
+				       ".init", 5) == 0)
 				continue;
 			s->sh_entsize = get_offset(&mod->core_size, s);
 			DEBUGP("\t%s\n", secstrings + s->sh_name);
@@ -1228,7 +1229,8 @@ static void layout_sections(struct module *mod,
 			if ((s->sh_flags & masks[m][0]) != masks[m][0]
 			    || (s->sh_flags & masks[m][1])
 			    || s->sh_entsize != ~0UL
-			    || !strstr(secstrings + s->sh_name, ".init"))
+			    || strncmp(secstrings + s->sh_name,
+				       ".init", 5) != 0)
 				continue;
 			s->sh_entsize = (get_offset(&mod->init_size, s)
 					 | INIT_OFFSET_MASK);
@@ -1434,7 +1436,7 @@ static struct module *load_module(void __user *umod,
 		}
 #ifndef CONFIG_MODULE_UNLOAD
 		/* Don't load .exit sections */
-		if (strstr(secstrings+sechdrs[i].sh_name, ".exit"))
+		if (strncmp(secstrings+sechdrs[i].sh_name, ".exit", 5) == 0)
 			sechdrs[i].sh_flags &= ~(unsigned long)SHF_ALLOC;
 #endif
 	}