Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module fix from Rusty Russell:
"A single panic fix for a rare race, stable CC'd"
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
modules, lock around setting of MODULE_STATE_UNFORMED
diff --git a/kernel/module.c b/kernel/module.c
index 65586ff..88cec1d 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1842,7 +1842,9 @@
/* We leave it in list to prevent duplicate loads, but make sure
* that noone uses it while it's being deconstructed. */
+ mutex_lock(&module_mutex);
mod->state = MODULE_STATE_UNFORMED;
+ mutex_unlock(&module_mutex);
/* Remove dynamic debug info */
ddebug_remove_module(mod->name);
