+ parisc-fix-wrong-page-aligned-size-calculation-in-ioremapping-code.patch added to -mm tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The patch titled
     parisc: fix wrong page aligned size calculation in ioremapping code
has been added to the -mm tree.  Its filename is
     parisc-fix-wrong-page-aligned-size-calculation-in-ioremapping-code.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: parisc: fix wrong page aligned size calculation in ioremapping code
From: Florian Zumbiehl <florz@xxxxxxxx>

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@xxxxxxxx>
Cc: Kyle McMartin <kyle@xxxxxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/parisc/mm/ioremap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN arch/parisc/mm/ioremap.c~parisc-fix-wrong-page-aligned-size-calculation-in-ioremapping-code arch/parisc/mm/ioremap.c
--- a/arch/parisc/mm/ioremap.c~parisc-fix-wrong-page-aligned-size-calculation-in-ioremapping-code
+++ a/arch/parisc/mm/ioremap.c
@@ -71,7 +71,7 @@ void __iomem * __ioremap(unsigned long p
 	 */
 	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..
_

Patches currently in -mm which might be from florz@xxxxxxxx are

x86-fix-wrong-page-aligned-size-calculation-in-ioremapping-code.patch
parisc-fix-wrong-page-aligned-size-calculation-in-ioremapping-code.patch

--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Kernel Newbies FAQ]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Photo]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux