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

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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 <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
This commit is contained in:
Roland Dreier 2018-01-11 13:38:00 -08:00 • committed by Christoph Hellwig
commit df351ef737
1 changed files with 3 additions and 1 deletions
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4
drivers/nvme/host/fabrics.c
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@ -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;