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Diffstat (limited to 'drivers/ieee1394/ohci1394.h')
-rw-r--r--drivers/ieee1394/ohci1394.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ieee1394/ohci1394.h b/drivers/ieee1394/ohci1394.h
index d1758d40961..cc66c1cae25 100644
--- a/drivers/ieee1394/ohci1394.h
+++ b/drivers/ieee1394/ohci1394.h
@@ -236,6 +236,9 @@ struct ti_ohci {
static inline int cross_bound(unsigned long addr, unsigned int size)
{
+ if (size == 0)
+ return 0;
+
if (size > PAGE_SIZE)
return 1;