patch-2.4.8 linux/arch/sparc64/mm/extable.c

• Lines: 39
• Date: Tue Aug 7 08:30:50 2001
• Orig file: v2.4.7/linux/arch/sparc64/mm/extable.c
• Orig date: Wed Nov 10 08:31:37 1999

diff -u --recursive --new-file v2.4.7/linux/arch/sparc64/mm/extable.c linux/arch/sparc64/mm/extable.c
@@ -43,27 +43,32 @@
         return 0;
 }
 
+extern spinlock_t modlist_lock;
+
 unsigned long
 search_exception_table(unsigned long addr, unsigned long *g2)
 {
-	unsigned long ret;
+	unsigned long ret = 0, flags;
 
 #ifndef CONFIG_MODULES
 	/* There is only the kernel to search.  */
 	ret = search_one_table(__start___ex_table,
 			       __stop___ex_table-1, addr, g2);
-	if (ret) return ret;
+	return ret;
 #else
 	/* The kernel is the last "module" -- no need to treat it special.  */
 	struct module *mp;
+
+	spin_lock_irqsave(&modlist_lock, flags);
 	for (mp = module_list; mp != NULL; mp = mp->next) {
-		if (mp->ex_table_start == NULL)
+		if (mp->ex_table_start == NULL || !(mp->flags & (MOD_RUNNING | MOD_INITIALIZING)))
 			continue;
 		ret = search_one_table(mp->ex_table_start,
 				       mp->ex_table_end-1, addr, g2);
-		if (ret) return ret;
+		if (ret)
+			break;
 	}
+	spin_unlock_irqrestore(&modlist_lock, flags);
+	return ret;
 #endif
-
-	return 0;
 }