Commit 5d9e06d6 authored Jul 22, 2019 by Wei Yongjun Committed by Jens Axboe Jul 22, 2019

bcache: fix possible memory leak in bch_cached_dev_run()



memory malloced in bch_cached_dev_run() and should be freed before
leaving from the error handling cases, otherwise it will cause
memory leak.

Fixes: 0b13efec ("bcache: add return value check to bch_cached_dev_run()")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 9310a7ba

drivers/md/bcache/super.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -931,6 +931,9 @@ int bch_cached_dev_run(struct cached_dev *dc)
		if (dc->io_disable) {
		pr_err("I/O disabled on cached dev %s",
		dc->backing_dev_name);
		kfree(env[1]);
		kfree(env[2]);
		kfree(buf);
		return -EIO;
		}