Messages in this thread Patch in this message | | | Date | Mon, 25 Feb 2008 19:26:48 +0000 | From | Ralf Baechle <> | Subject | [PATCH] Try both endianess when checking for endianess. |
| |
From: Chris Dearman <chris@mips.com>
When checking for the swap header try byteswapping the endianess dependent fields to allow the swap partition to be shared between big & little endian systems.
Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
mm/swapfile.c | 8 ++++++++ 1 file changed, 8 insertions(+)
Index: linux-queue/mm/swapfile.c =================================================================== --- linux-queue.orig/mm/swapfile.c +++ linux-queue/mm/swapfile.c @@ -1551,6 +1551,14 @@ asmlinkage long sys_swapon(const char __ error = -EINVAL; goto bad_swap; case 2: + /* swap partition endianess hack... */ + if (swab32(swap_header->info.version) == 1) { + swab32s(&swap_header->info.version); + swab32s(&swap_header->info.last_page); + swab32s(&swap_header->info.nr_badpages); + for (i = 0; i < swap_header->info.nr_badpages; i++) + swab32s(&swap_header->info.badpages[i]); + } /* Check the swap header's sub-version and the size of the swap file and bad block lists */ if (swap_header->info.version != 1) {
| |