X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fmodule.c;h=cb3887e770e21b2ca9244bef84ae19b1e9f2d3e5;hb=d254117099d711f215e62427f55dfb8ebd5ad011;hp=05f014efa32c54ca48a17f166ff40fda87f78a3f;hpb=0e26da0f2200a2fb51844aaa43e365ea9dd5a93d;p=pandora-kernel.git

diff --git a/kernel/module.c b/kernel/module.c
index 05f014efa32c..cb3887e770e2 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -72,6 +72,9 @@ DEFINE_MUTEX(module_mutex);
 EXPORT_SYMBOL_GPL(module_mutex);
 static LIST_HEAD(modules);
 
+/* Block module loading/unloading? */
+int modules_disabled = 0;
+
 /* Waiting for a module to finish initializing? */
 static DECLARE_WAIT_QUEUE_HEAD(module_wq);
 
@@ -777,7 +780,7 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user,
 	char name[MODULE_NAME_LEN];
 	int ret, forced = 0;
 
-	if (!capable(CAP_SYS_MODULE))
+	if (!capable(CAP_SYS_MODULE) || modules_disabled)
 		return -EPERM;
 
 	if (strncpy_from_user(name, name_user, MODULE_NAME_LEN-1) < 0)
@@ -2336,7 +2339,7 @@ SYSCALL_DEFINE3(init_module, void __user *, umod,
 	int ret = 0;
 
 	/* Must have permission */
-	if (!capable(CAP_SYS_MODULE))
+	if (!capable(CAP_SYS_MODULE) || modules_disabled)
 		return -EPERM;
 
 	/* Only one module load at a time, please */
@@ -2388,6 +2391,9 @@ SYSCALL_DEFINE3(init_module, void __user *, umod,
 	blocking_notifier_call_chain(&module_notify_list,
 				     MODULE_STATE_LIVE, mod);
 
+	/* We need to finish all async code before the module init sequence is done */
+	async_synchronize_full();
+
 	mutex_lock(&module_mutex);
 	/* Drop initial reference. */
 	module_put(mod);