Xen devel - Apr 2009 - [PATCH] ioemu: fix sdl mode

When I use "sdl=1 vnc=0" in hvm guest config file, qemu-dm would exit
due to a de-reference to a NULL pointer. The regression is introduced by
3793d85f111a0dfe055ca8ac17a9d1881af43240.
The attached patch fixes the issue.

Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>

diff --git a/sdl.c b/sdl.c
index 39ff4e3..e0cd07b 100644
--- a/sdl.c
+++ b/sdl.c
@@ -198,7 +198,7 @@ static void do_sdl_resize(int new_width, int new_height, int
bpp)
             opengl_enabled = 0;
             dcl->dpy_update = sdl_update;
             dcl->dpy_setdata = sdl_setdata;
-            do_sdl_resize(real_screen->w, real_screen->h,
real_screen->format->BitsPerPixel);
+            do_sdl_resize(width, height, bpp);
             return;
         }
         fprintf(stderr, "Could not open SDL display\n");

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Cui, Dexuan wrote:
> When I use "sdl=1 vnc=0" in hvm guest config file, qemu-dm would
exit due to a de-reference to a NULL pointer. The regression is introduced by
3793d85f111a0dfe055ca8ac17a9d1881af43240.
> The attached patch fixes the issue.
> 
> Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
> 
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

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