Fix svace defect

* Check null before variable dereferenced

Change-Id: Ic0716662fb4c7ef7bc67287bbfaacdd32c77f804
Signed-off-by: sangwan.kwon <sangwan.kwon@samsung.com>

diff --git a/src/xmldsig.c b/src/xmldsig.c
index b22ff2b..ec4338c 100644 (file)
--- a/src/xmldsig.c
+++ b/src/xmldsig.c
@@ -2203,7 +2203,9 @@ xmlSecDSigCtxProcessSignedInfoNodeEx(xmlSecDSigCtxPtr dsigCtx, xmlNodePtr node,
     dsigCtx->signMethod->operation = dsigCtx->operation;
 
     /* calculate references */
-    cur = xmlSecGetNextElementNode(cur->next);
+    if (cur != NULL) {
+        cur = xmlSecGetNextElementNode(cur->next);
+    }
     while((cur != NULL) && (xmlSecCheckNodeName(cur, xmlSecNodeReference, xmlSecDSigNs))) {
         /* create reference */
         dsigRefCtx = xmlSecDSigReferenceCtxCreate(dsigCtx, xmlSecDSigReferenceOriginSignedInfo);