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-rw-r--r--net/ceph/auth_x.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index 462786f571e7..b52732337ca6 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -737,8 +737,10 @@ static int ceph_x_verify_authorizer_reply(struct ceph_auth_client *ac,
ret = ceph_x_decrypt(&au->session_key, &p, p + CEPHX_AU_ENC_BUF_LEN);
if (ret < 0)
return ret;
- if (ret != sizeof(*reply))
- return -EPERM;
+ if (ret < sizeof(*reply)) {
+ pr_err("bad size %d for ceph_x_authorize_reply\n", ret);
+ return -EINVAL;
+ }
if (au->nonce + 1 != le64_to_cpu(reply->nonce_plus_one))
ret = -EPERM;