1 files changed, 3 insertions, 1 deletions

diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
index de996586762a..e929fe1e4106 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -79,9 +79,11 @@ int public_key_verify_signature(const struct public_key *pkey,
 
         BUG_ON(!pkey);
         BUG_ON(!sig);
-        BUG_ON(!sig->digest);
         BUG_ON(!sig->s);
 
+        if (!sig->digest)
+                return -ENOPKG;
+
         alg_name = sig->pkey_algo;
         if (strcmp(sig->pkey_algo, "rsa") == 0) {
                 /* The data wangled by the RSA algorithm is typically padded