1 files changed, 4 insertions, 1 deletions
diff --git a/tests/t-rsa-pss.c b/tests/t-rsa-pss.c
index fa8392e9..c5f90116 100644
--- a/tests/t-rsa-pss.c
+++ b/tests/t-rsa-pss.c
@@ -144,7 +144,10 @@ hex2buffer (const char *string, size_t *r_length)
   for (s=string; *s; s +=2 )
     {
       if (!hexdigitp (s) || !hexdigitp (s+1))
-        return NULL;           /* Invalid hex digits. */
+        {
+          xfree (buffer);
+          return NULL;           /* Invalid hex digits. */
+        }
       ((unsigned char*)buffer)[length++] = xtoi_2 (s);
     }
   *r_length = length;