ACPI: EC: fix use-after-free (1544fdbc) · Commits · 戴 / test

This patch fixes a use-after-free introduced by commit (ACPI: EC: Add new query handler to list head) Spotted by the Coverity checker. Signed-off-by:

drivers/acpi/ec.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -445,9 +445,9 @@ EXPORT_SYMBOL_GPL(acpi_ec_add_query_handler);

		void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit)
		{
		struct acpi_ec_query_handler *handler;
		struct acpi_ec_query_handler handler, tmp;
		mutex_lock(&ec->lock);
		list_for_each_entry(handler, &ec->list, node) {
		list_for_each_entry_safe(handler, tmp, &ec->list, node) {
		if (query_bit == handler->query_bit) {
		list_del(&handler->node);
		kfree(handler);