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

Linus Torvalds committed 12 years ago

Commit 50edb5c2 parents ad3118b d3051b41 file · +2 −0Browse files

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kernel/module.c+2−0

@@ -1842,7 +1842,9 @@ static void free_module(struct module *mod) · 1841 unmodified lines
1842	1842
1843	1843	/* We leave it in list to prevent duplicate loads, but make sure
1844	1844	* that noone uses it while it's being deconstructed. */
	1845	+ mutex_lock(&module_mutex);
1845	1846	mod->state = MODULE_STATE_UNFORMED;
	1847	+ mutex_unlock(&module_mutex);
1846	1848
1847	1849	/* Remove dynamic debug info */
1848	1850	ddebug_remove_module(mod->name);