debian/patches/0030-Avoid-Possible-null-pointer-dereference-in-memory-de.patch


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From: Gaurav <g.gupta@samsung.com>
Date: Fri, 9 May 2014 17:00:08 +0800
Subject: Avoid Possible null pointer dereference in memory debug mode

Fix a use before check on pointer
For https://bugzilla.gnome.org/show_bug.cgi?id=729849
---
 xmlmemory.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/xmlmemory.c b/xmlmemory.c
index 25d9318..37dcf3b 100644
--- a/xmlmemory.c
+++ b/xmlmemory.c
@@ -583,13 +583,15 @@ xmlMemBlocks(void) {
 static void
 xmlMemContentShow(FILE *fp, MEMHDR *p)
 {
-    int i,j,k,len = p->mh_size;
-    const char *buf = (const char *) HDR_2_CLIENT(p);
+    int i,j,k,len;
+    const char *buf;
 
     if (p == NULL) {
 	fprintf(fp, " NULL");
 	return;
     }
+    len = p->mh_size;
+    buf = (const char *) HDR_2_CLIENT(p);
 
     for (i = 0;i < len;i++) {
         if (buf[i] == 0) break;