From 4d10380e720a3ce19dbe88d0133f66ded07b6a8f Mon Sep 17 00:00:00 2001
From: Jan Glauber <jang@linux.vnet.ibm.com>
Date: Thu, 19 May 2011 16:55:25 -0600
Subject: module: zero mod->init_ro_size after init is freed.

Reset mod->init_ro_size to zero after the init part of a module is unloaded.
Otherwise we need to check if module->init is NULL in the unprotect functions
in the next patch.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 kernel/module.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'kernel/module.c')

diff --git a/kernel/module.c b/kernel/module.c
index 523c40b7177..92112c91b7e 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2935,6 +2935,7 @@ SYSCALL_DEFINE3(init_module, void __user *, umod,
 	module_free(mod, mod->module_init);
 	mod->module_init = NULL;
 	mod->init_size = 0;
+	mod->init_ro_size = 0;
 	mod->init_text_size = 0;
 	mutex_unlock(&module_mutex);
 
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