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-rw-r--r--kernel/module.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/module.c b/kernel/module.c
index 4d2b82e610e2..b86b7bf1be38 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -602,13 +602,16 @@ const struct kernel_symbol *find_symbol(const char *name,
602} 602}
603EXPORT_SYMBOL_GPL(find_symbol); 603EXPORT_SYMBOL_GPL(find_symbol);
604 604
605/* Search for module by name: must hold module_mutex. */ 605/*
606 * Search for module by name: must hold module_mutex (or preempt disabled
607 * for read-only access).
608 */
606static struct module *find_module_all(const char *name, size_t len, 609static struct module *find_module_all(const char *name, size_t len,
607 bool even_unformed) 610 bool even_unformed)
608{ 611{
609 struct module *mod; 612 struct module *mod;
610 613
611 module_assert_mutex(); 614 module_assert_mutex_or_preempt();
612 615
613 list_for_each_entry(mod, &modules, list) { 616 list_for_each_entry(mod, &modules, list) {
614 if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) 617 if (!even_unformed && mod->state == MODULE_STATE_UNFORMED)
@@ -621,6 +624,7 @@ static struct module *find_module_all(const char *name, size_t len,
621 624
622struct module *find_module(const char *name) 625struct module *find_module(const char *name)
623{ 626{
627 module_assert_mutex();
624 return find_module_all(name, strlen(name), false); 628 return find_module_all(name, strlen(name), false);
625} 629}
626EXPORT_SYMBOL_GPL(find_module); 630EXPORT_SYMBOL_GPL(find_module);