vserver 1.9.3

[linux-2.6.git] / include / asm-arm / arch-omap / memory.h

diff --git a/include/asm-arm/arch-omap/memory.h b/include/asm-arm/arch-omap/memory.h
index 4f9e8c8..c93c052 100644 (file)
--- a/include/asm-arm/arch-omap/memory.h
+++ b/include/asm-arm/arch-omap/memory.h
@@ -64,7 +64,7 @@
 
 #define virt_to_lbus(x)                ((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET)
 #define lbus_to_virt(x)                ((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET)
-#define is_lbus_device(dev)    (cpu_is_omap1510() && dev->coherent_dma_mask == 0x0fffffff)
+#define is_lbus_device(dev)    (cpu_is_omap1510() && dev && dev->coherent_dma_mask == 0x0fffffff)
 
 #define __arch_page_to_dma(dev, page)  ({is_lbus_device(dev) ? \
                                        (dma_addr_t)virt_to_lbus(page_address(page)) : \