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

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Fix cross_bound to not return 1 for zero-length regions.  Fixes regression
when sending null ISO packets.

Signed-off-by: Jody McIntyre <scjody@steamballoon.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jody McIntyre 2005-05-16 21:54:05 -07:00 committed by Linus Torvalds
parent 8d98c5cd41
commit 74a01d11c9
1 changed files with 3 additions and 0 deletions
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3
drivers/ieee1394/ohci1394.h
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@ -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;