yocto-poky/meta/recipes-graphics/xorg-lib/libx11/libX11-Add-missing-NULL-check.patch

From 4d85d5f3bd8afac893738fd88e19d8cb5cf998ff Mon Sep 17 00:00:00 2001
From: Drew Moseley <drew_moseley@mentor.com>
Date: Sun, 27 Jul 2014 13:10:07 -0400
Subject: [PATCH] libX11: Add missing NULL check on im and im->methods

Upstream-Status: Backport (c827edcd1c4a7f920aa25208083b5b58d60d2b44)
Signed-off-by: Drew Moseley <drew_moseley@mentor.com>

---
 src/xlibi18n/ICWrap.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff -ru libX11-1.6.2-orig/src/xlibi18n/ICWrap.c libX11-1.6.2/src/xlibi18n/ICWrap.c
--- libX11-1.6.2-orig/src/xlibi18n/ICWrap.c	2014-07-27 13:38:29.586666449 -0400
+++ libX11-1.6.2/src/xlibi18n/ICWrap.c	2014-07-27 13:41:39.671609030 -0400
@@ -169,7 +169,7 @@
     va_list var;
     int     total_count;
     XIMArg *args;
-    char   *ret;
+    char   *ret = NULL;
 
     /*
      * so count the stuff dangling here
@@ -185,7 +185,8 @@
     _XIMVaToNestedList(var, total_count, &args);
     va_end(var);
 
-    ret = (*im->methods->set_values) (im, args);
+    if (im && im->methods)
+	ret = (*im->methods->set_values) (im, args);
     Xfree(args);
     return ret;
 }
@@ -196,7 +197,7 @@
     va_list var;
     int     total_count;
     XIMArg *args;
-    char   *ret;
+    char   *ret = NULL;
 
     /*
      * so count the stuff dangling here
@@ -212,7 +213,8 @@
     _XIMVaToNestedList(var, total_count, &args);
     va_end(var);
 
-    ret = (*im->methods->get_values) (im, args);
+    if (im && im->methods)
+	ret = (*im->methods->get_values) (im, args);
     Xfree(args);
     return ret;
 }
@@ -228,7 +230,7 @@
     va_list var;
     int     total_count;
     XIMArg *args;
-    XIC     ic;
+    XIC     ic = NULL;
 
     /*
      * so count the stuff dangling here
@@ -244,7 +246,8 @@
     _XIMVaToNestedList(var, total_count, &args);
     va_end(var);
 
-    ic = (XIC) (*im->methods->create_ic) (im, args);
+    if (im && im->methods)
+	ic = (XIC) (*im->methods->create_ic) (im, args);
     Xfree(args);
     if (ic) {
 	ic->core.next = im->core.ic_chain;