diff options
Diffstat (limited to 'drivers/nvme/target/auth.c')
| -rw-r--r-- | drivers/nvme/target/auth.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/nvme/target/auth.c b/drivers/nvme/target/auth.c index 8bc3f431c77f..7897d02c681d 100644 --- a/drivers/nvme/target/auth.c +++ b/drivers/nvme/target/auth.c @@ -25,6 +25,18 @@ int nvmet_auth_set_key(struct nvmet_host *host, const char *secret, unsigned char key_hash; char *dhchap_secret; + if (!strlen(secret)) { + if (set_ctrl) { + kfree(host->dhchap_ctrl_secret); + host->dhchap_ctrl_secret = NULL; + host->dhchap_ctrl_key_hash = 0; + } else { + kfree(host->dhchap_secret); + host->dhchap_secret = NULL; + host->dhchap_key_hash = 0; + } + return 0; + } if (sscanf(secret, "DHHC-1:%hhd:%*s", &key_hash) != 1) return -EINVAL; if (key_hash > 3) { |