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-rw-r--r--net/ceph/crypto.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index 489610ac1cdd..bf9d079cbafd 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -37,7 +37,9 @@ static int set_secret(struct ceph_crypto_key *key, void *buf)
return -ENOTSUPP;
}
- WARN_ON(!key->len);
+ if (!key->len)
+ return -EINVAL;
+
key->key = kmemdup(buf, key->len, GFP_NOIO);
if (!key->key) {
ret = -ENOMEM;