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authorFlorian Zumbiehl <florz@florz.de>2010-08-11 14:17:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-12 08:43:29 -0700
commita292dfa01794477126d3f022559eb235edde00b0 (patch)
treeabc2ca6ec588491e07940ce674b4bac71571d8d7 /arch/parisc
parent17e465034a174d23e08cbb964aeda5e41e5d84ca (diff)
downloadlinux-a292dfa01794477126d3f022559eb235edde00b0.tar.bz2
parisc: fix wrong page aligned size calculation in ioremapping code
parisc __ioremap(): fix off-by-one error in page alignment of allocation size for sizes where size%PAGE_SIZE==1. Signed-off-by: Florian Zumbiehl <florz@florz.de> Cc: Kyle McMartin <kyle@mcmartin.ca> Acked-by: Helge Deller <deller@gmx.de> Tested-by: Helge Deller <deller@gmx.de> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/mm/ioremap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c
index 92d496ad07c9..838d0259cd27 100644
--- a/arch/parisc/mm/ioremap.c
+++ b/arch/parisc/mm/ioremap.c
@@ -71,7 +71,7 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
*/
offset = phys_addr & ~PAGE_MASK;
phys_addr &= PAGE_MASK;
- size = PAGE_ALIGN(last_addr) - phys_addr;
+ size = PAGE_ALIGN(last_addr + 1) - phys_addr;
/*
* Ok, go for it..