gtls: check the return value of gnutls_pubkey_init()

Closes #19362

diff --git a/lib/vtls/gtls.c b/lib/vtls/gtls.c
index c79f192e823fd09816d6e12059b9da6468724324..40d8ad5b45e00691cf1820c293daf7ebec57debf 100644 (file)
--- a/lib/vtls/gtls.c
+++ b/lib/vtls/gtls.c
@@ -1291,8 +1291,10 @@ static CURLcode pkp_pin_peer_pubkey(struct Curl_easy *data,
   do {
     int ret;
 
-    /* Begin Gyrations to get the public key     */
-    gnutls_pubkey_init(&key);
+    /* Begin Gyrations to get the public key */
+    ret = gnutls_pubkey_init(&key);
+    if(ret < 0)
+      break; /* failed */
 
     ret = gnutls_pubkey_import_x509(key, cert, 0);
     if(ret < 0)