diff --git a/block/error-injection.c b/block/error-injection.c index d24c90e9a25f..cfb83138960c 100644 --- a/block/error-injection.c +++ b/block/error-injection.c @@ -120,13 +120,13 @@ static void error_inject_removeall(struct gendisk *disk) struct blk_error_inject *inj; mutex_lock(&disk->error_injection_lock); - clear_bit(GD_ERROR_INJECT, &disk->state); + if (test_and_clear_bit(GD_ERROR_INJECT, &disk->state)) + static_branch_dec(&blk_error_injection_enabled); while ((inj = list_first_entry_or_null(&disk->error_injection_list, struct blk_error_inject, entry))) { list_del_rcu(&inj->entry); kfree_rcu_mightsleep(inj); } - static_branch_dec(&blk_error_injection_enabled); mutex_unlock(&disk->error_injection_lock); }