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| author | Wei Yongjun <weiyongjun1@huawei.com> | 2019-07-22 17:12:36 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-07-22 17:15:17 +0300 |
| commit | 5d9e06d60eee95e021ffccf0d2c7ed800ae9dc14 (patch) | |
| tree | 97cdecef1fbeaa5205e732ee8695f00d80806beb /drivers/md | |
| parent | 9310a7ba6de8cce6209e3e8a3cdf733f824cdd9b (diff) | |
| download | linux-5d9e06d60eee95e021ffccf0d2c7ed800ae9dc14.tar.xz | |
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: 0b13efecf5f2 ("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>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/super.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 26e374fbf57c..20ed838e9413 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -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; } |