vgabios: Check that the PCI BDF passed in is valid before using.

[seabios.git] / vgasrc / vgabios.h

diff --git a/vgasrc/vgabios.h b/vgasrc/vgabios.h
index 403e7ce905f9910eeaf5bcdccc76d564440798bb..6895a3962bd1288e1ac6b3a0df6a636c486d999a 100644 (file)
--- a/vgasrc/vgabios.h
+++ b/vgasrc/vgabios.h
@@ -73,7 +73,7 @@ extern u8 vgafont14alt[];
 extern u8 vgafont16alt[];
 
 // vgabios.c
-extern u16 VgaBDF;
+extern int VgaBDF;
 #define SET_VGA(var, val) SET_FARVAR(get_global_seg(), (var), (val))
 struct carattr {
     u8 car, attr, use_attr;