diff options
| author | johnpol@2ka.mipt.ru <johnpol@2ka.mipt.ru> | 2005-04-19 00:16:57 -0400 |
|---|---|---|
| committer | Greg KH <greg@press.kroah.org> | 2005-04-19 00:16:57 -0400 |
| commit | 8523ff45672a5c9209ab7459142e37e7cd393e6c (patch) | |
| tree | 29b32fbb32911f3aecf347675b7283b6269e7fda /drivers | |
| parent | c0698f2f6e4839ce9463ce731c892993215ea067 (diff) | |
[PATCH] w1: real fix for big endian machines.
Real fix for big endian machines - crc must be calculated
using little endian byte order.
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/w1/w1.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index fd630cec0e79..8d7821899cc1 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c | |||
| @@ -522,10 +522,11 @@ void w1_slave_found(unsigned long data, u64 rn) | |||
| 522 | slave_count++; | 522 | slave_count++; |
| 523 | } | 523 | } |
| 524 | 524 | ||
| 525 | if (slave_count == dev->slave_count && rn ) { | 525 | rn = cpu_to_le64(rn); |
| 526 | tmp = cpu_to_le64(rn); | 526 | |
| 527 | if(((rn >> 56) & 0xff) == w1_calc_crc8((u8 *)&tmp, 7)) | 527 | if (slave_count == dev->slave_count && |
| 528 | w1_attach_slave_device(dev, (struct w1_reg_num *) &rn); | 528 | rn && ((le64_to_cpu(rn) >> 56) & 0xff) == w1_calc_crc8((u8 *)&rn, 7)) { |
| 529 | w1_attach_slave_device(dev, tmp); | ||
| 529 | } | 530 | } |
| 530 | 531 | ||
| 531 | atomic_dec(&dev->refcnt); | 532 | atomic_dec(&dev->refcnt); |