Commit 74a01d11 authored by Jody McIntyre's avatar Jody McIntyre Committed by Linus Torvalds

[PATCH] ieee1394: fix cross_bound check for null ISO packets

Fix cross_bound to not return 1 for zero-length regions.  Fixes regression
when sending null ISO packets.
Signed-off-by: default avatarJody McIntyre <scjody@steamballoon.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8d98c5cd
...@@ -236,6 +236,9 @@ struct ti_ohci { ...@@ -236,6 +236,9 @@ struct ti_ohci {
static inline int cross_bound(unsigned long addr, unsigned int size) static inline int cross_bound(unsigned long addr, unsigned int size)
{ {
if (size == 0)
return 0;
if (size > PAGE_SIZE) if (size > PAGE_SIZE)
return 1; return 1;
......
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