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path: root/drivers/nvme/target/auth.c
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Diffstat (limited to 'drivers/nvme/target/auth.c')
-rw-r--r--drivers/nvme/target/auth.c26
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/nvme/target/auth.c b/drivers/nvme/target/auth.c
index 0b0645ac5df4..b340380f3892 100644
--- a/drivers/nvme/target/auth.c
+++ b/drivers/nvme/target/auth.c
@@ -240,7 +240,7 @@ void nvmet_auth_sq_free(struct nvmet_sq *sq)
{
cancel_delayed_work(&sq->auth_expired_work);
#ifdef CONFIG_NVME_TARGET_TCP_TLS
- sq->tls_key = 0;
+ sq->tls_key = NULL;
#endif
kfree(sq->dhchap_c1);
sq->dhchap_c1 = NULL;
@@ -280,9 +280,12 @@ void nvmet_destroy_auth(struct nvmet_ctrl *ctrl)
bool nvmet_check_auth_status(struct nvmet_req *req)
{
- if (req->sq->ctrl->host_key &&
- !req->sq->authenticated)
- return false;
+ if (req->sq->ctrl->host_key) {
+ if (req->sq->qid > 0)
+ return true;
+ if (!req->sq->authenticated)
+ return false;
+ }
return true;
}
@@ -290,7 +293,7 @@ int nvmet_auth_host_hash(struct nvmet_req *req, u8 *response,
unsigned int shash_len)
{
struct crypto_shash *shash_tfm;
- struct shash_desc *shash;
+ SHASH_DESC_ON_STACK(shash, shash_tfm);
struct nvmet_ctrl *ctrl = req->sq->ctrl;
const char *hash_name;
u8 *challenge = req->sq->dhchap_c1;
@@ -342,19 +345,13 @@ int nvmet_auth_host_hash(struct nvmet_req *req, u8 *response,
req->sq->dhchap_c1,
challenge, shash_len);
if (ret)
- goto out_free_challenge;
+ goto out;
}
pr_debug("ctrl %d qid %d host response seq %u transaction %d\n",
ctrl->cntlid, req->sq->qid, req->sq->dhchap_s1,
req->sq->dhchap_tid);
- shash = kzalloc(sizeof(*shash) + crypto_shash_descsize(shash_tfm),
- GFP_KERNEL);
- if (!shash) {
- ret = -ENOMEM;
- goto out_free_challenge;
- }
shash->tfm = shash_tfm;
ret = crypto_shash_init(shash);
if (ret)
@@ -389,8 +386,6 @@ int nvmet_auth_host_hash(struct nvmet_req *req, u8 *response,
goto out;
ret = crypto_shash_final(shash, response);
out:
- kfree(shash);
-out_free_challenge:
if (challenge != req->sq->dhchap_c1)
kfree(challenge);
out_free_response:
@@ -600,13 +595,12 @@ void nvmet_auth_insert_psk(struct nvmet_sq *sq)
pr_warn("%s: ctrl %d qid %d failed to refresh key, error %ld\n",
__func__, sq->ctrl->cntlid, sq->qid, PTR_ERR(tls_key));
tls_key = NULL;
- kfree_sensitive(tls_psk);
}
if (sq->ctrl->tls_key)
key_put(sq->ctrl->tls_key);
sq->ctrl->tls_key = tls_key;
#endif
-
+ kfree_sensitive(tls_psk);
out_free_digest:
kfree_sensitive(digest);
out_free_psk: