check Curl_ftpsendf return codes

1 files changed, 6 insertions, 4 deletions

diff --git a/lib/krb4.c b/lib/krb4.c
index fd7934e52..96cc4520d 100644
--- a/lib/krb4.c
+++ b/lib/krb4.c
@@ -245,7 +245,8 @@ krb4_auth(void *app_data, struct connectdata *conn)
     return AUTH_CONTINUE;
   }
 
-  Curl_ftpsendf(conn, "ADAT %s", p);
+  if(Curl_ftpsendf(conn, "ADAT %s", p))
+    return -2;
 
   nread = Curl_GetFTPResponse(conn->data->state.buffer, conn, NULL);
   if(nread < 0)
@@ -312,7 +313,8 @@ void Curl_krb_kauth(struct connectdata *conn)
 
   save = Curl_set_command_prot(conn, prot_private);
 
-  Curl_ftpsendf(conn, "SITE KAUTH %s", conn->data->state.user);
+  if(Curl_ftpsendf(conn, "SITE KAUTH %s", conn->data->state.user))
+    return;
 
   nread = Curl_GetFTPResponse(conn->data->state.buffer,
                               conn, NULL);
@@ -378,8 +380,8 @@ void Curl_krb_kauth(struct connectdata *conn)
   }
   memset (tktcopy.dat, 0, tktcopy.length);
 
-  Curl_ftpsendf(conn,
-                "SITE KAUTH %s %s", name, p);
+  if(Curl_ftpsendf(conn, "SITE KAUTH %s %s", name, p))
+    return;
 
   nread = Curl_GetFTPResponse(conn->data->state.buffer,
                               conn, NULL);