From 8bbfd94e36559ceb7187d4d8a63e950713b93e0d Mon Sep 17 00:00:00 2001
From: Tim Hudson <tjh@cryptsoft.com>
Date: Mon, 5 May 2014 06:41:22 +1000
Subject: [PATCH] - fix coverity issues 966593-966596

---
 crypto/srp/srp_vfy.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/crypto/srp/srp_vfy.c b/crypto/srp/srp_vfy.c
index 6889a6bded..179f9a1a2c 100644
--- a/crypto/srp/srp_vfy.c
+++ b/crypto/srp/srp_vfy.c
@@ -93,6 +93,9 @@ static int t_fromb64(unsigned char *a, const char *src)
 		else a[i] = loc - b64table;
 		++i;
 		}
+	/* if nothing valid to process we have a zero length response */
+	if (i == 0)
+		return 0;
 	size = i;
 	i = size - 1;
 	j = size;