nvme-fabrics: fix memory leak when parsing host ID option

We use match_strdup() to get a copy of the option string for host ID string, but
we just pass it to uuid_parse() and don't store the string pointer, so we need to
kfree() the string after parsing it.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Roland Dreier 2018-01-11 13:38:00 -08:00 committed by Christoph Hellwig
parent 8adb8c147b
commit df351ef737

View File

@ -738,7 +738,9 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
ret = -ENOMEM;
goto out;
}
if (uuid_parse(p, &hostid)) {
ret = uuid_parse(p, &hostid);
kfree(p);
if (ret) {
pr_err("Invalid hostid %s\n", p);
ret = -EINVAL;
goto out;