rewrite the condition a bit to make it more clear that we check the v…

…alue is in range
er13 · Mar 26, 2017 · aa4dc6d · aa4dc6d
1 parent 5e3304c
commit aa4dc6d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/avm_kernel_config/avm_kernel_config_helpers.c b/avm_kernel_config/avm_kernel_config_helpers.c
@@ -140,7 +140,8 @@ bool isConsistentConfigArea(struct _avm_kernel_config * *configArea, size_t conf
 		tag = entry->tag;
 		swapEndianess(assumeSwapped, &tag);
 		// invalid value means, our assumption was wrong
-		if (tag != 0 && tag > avm_kernel_config_tags_last) return false;
+		if (!(avm_kernel_config_tags_undef < tag && tag <= avm_kernel_config_tags_last))
+			return false;
 	}
 
 	// now we compute offset in kernel