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nvme-auth: remove redundant deallocations

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These are now redundant as the dhchap context is
removed after authentication completes.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sagi Grimberg 2022-11-13 13:24:16 +02:00 committed by Christoph Hellwig
parent 8d1c1904e9
commit 96df318393
1 changed files with 0 additions and 20 deletions
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20
drivers/nvme/host/auth.c
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@ -200,12 +200,6 @@ static int nvme_auth_process_dhchap_challenge(struct nvme_ctrl *ctrl,
return NVME_SC_AUTH_REQUIRED;
}
/* Reset host response if the hash had been changed */
if (chap->hash_id != data->hashid) {
kfree(chap->host_response);
chap->host_response = NULL;
}
chap->hash_id = data->hashid;
chap->hash_len = data->hl;
dev_dbg(ctrl->device, "qid %d: selected hash %s\n",
@ -222,14 +216,6 @@ select_kpp:
return NVME_SC_AUTH_REQUIRED;
}
/* Clear host and controller key to avoid accidental reuse */
kfree_sensitive(chap->host_key);
chap->host_key = NULL;
chap->host_key_len = 0;
kfree_sensitive(chap->ctrl_key);
chap->ctrl_key = NULL;
chap->ctrl_key_len = 0;
if (chap->dhgroup_id == data->dhgid &&
(data->dhgid == NVME_AUTH_DHGROUP_NULL || chap->dh_tfm)) {
dev_dbg(ctrl->device,
@ -624,9 +610,6 @@ static int nvme_auth_dhchap_exponential(struct nvme_ctrl *ctrl,
if (ret) {
dev_dbg(ctrl->device,
"failed to generate public key, error %d\n", ret);
kfree(chap->host_key);
chap->host_key = NULL;
chap->host_key_len = 0;
chap->status = NVME_AUTH_DHCHAP_FAILURE_INCORRECT_PAYLOAD;
return ret;
}
@ -646,9 +629,6 @@ gen_sesskey:
if (ret) {
dev_dbg(ctrl->device,
"failed to generate shared secret, error %d\n", ret);
kfree_sensitive(chap->sess_key);
chap->sess_key = NULL;
chap->sess_key_len = 0;
chap->status = NVME_AUTH_DHCHAP_FAILURE_INCORRECT_PAYLOAD;
return ret;
}