2013/7/26 Martin Peschke <mpeschke@xxxxxxxxxxxxxxxxxx>: > On Mon, 2013-07-15 at 20:52 +0900, Akinobu Mita wrote: >> With module parameter num_parts > 0, partition table is built on the >> ramdisk storage when loading the driver. Unfortunately, there is an >> endianness bug in sdebug_build_parts(). So the partition table is not >> correctly initialized on big-endian systems. >> >> Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx> >> Cc: "James E.J. Bottomley" <JBottomley@xxxxxxxxxxxxx> >> Cc: Douglas Gilbert <dgilbert@xxxxxxxxxxxx> >> Cc: linux-scsi@xxxxxxxxxxxxxxx >> --- >> drivers/scsi/scsi_debug.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c >> index cb4fefa..2f39b13 100644 >> --- a/drivers/scsi/scsi_debug.c >> +++ b/drivers/scsi/scsi_debug.c >> @@ -2659,8 +2659,8 @@ static void __init sdebug_build_parts(unsigned char *ramp, >> / sdebug_sectors_per; >> pp->end_sector = (end_sec % sdebug_sectors_per) + 1; >> >> - pp->start_sect = start_sec; >> - pp->nr_sects = end_sec - start_sec + 1; >> + pp->start_sect = cpu_to_le32(start_sec); >> + pp->nr_sects = cpu_to_le32(end_sec - start_sec + 1); >> pp->sys_ind = 0x83; /* plain Linux partition */ >> } >> } > > > I have posted the same fix several times, e.g. > http://marc.info/?l=linux-scsi&m=137051617907423&w=2 > Good luck! > > Acked-by: Martin Peschke <mpeschke@xxxxxxxxxxxxxxxxxx> Thanks. I found this problem from sparse warning noticed by 0-DAY kernel build testing. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
