[Qemu-devel] [6387] Adds null check for DisplayStatus (Stefano Stabellini)

[Anthony Liguori]

Revision: 6387
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6387
Author:   aliguori
Date:     2009-01-21 18:58:51 +0000 (Wed, 21 Jan 2009)

Log Message:
-----------
Adds null check for DisplayStatus (Stefano Stabellini)

Allocate a DisplaySurface in dumb_display_init if none else does it.
The DisplaySurface will be used for the qemu monitor, serial and
parallel ports, etc.

Signed-off-by: Andrew May  <address@hidden>
Signed-off-by: Stefano Stabellini <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>

Modified Paths:
--------------
    trunk/vl.c

Modified: trunk/vl.c
===================================================================
--- trunk/vl.c  2009-01-21 18:31:42 UTC (rev 6386)
+++ trunk/vl.c  2009-01-21 18:58:51 UTC (rev 6387)
@@ -2778,6 +2778,11 @@
 static void dumb_display_init(void)
 {
     DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
+    if (ds == NULL) {
+        fprintf(stderr, "dumb_display_init: DisplayState allocation failed\n");
+        exit(1);
+    }
+    ds->surface = qemu_create_displaysurface(640, 480, 32, 640 * 4);
     register_displaystate(ds);
 }