[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>

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index fd630cec0e7915bcdbc620d49b098002b18bbc0c..8d7821899cc10440137299c7254ee4750c416d8d 100644 (file)
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -522,10 +522,11 @@ void w1_slave_found(unsigned long data, u64 rn)
                slave_count++;
        }
 
-               if (slave_count == dev->slave_count && rn ) {
-                       tmp = cpu_to_le64(rn);
-                       if(((rn >> 56) & 0xff) == w1_calc_crc8((u8 *)&tmp, 7))
-                               w1_attach_slave_device(dev, (struct w1_reg_num *) &rn);
+       rn = cpu_to_le64(rn);
+
+       if (slave_count == dev->slave_count &&
+               rn && ((le64_to_cpu(rn) >> 56) & 0xff) == w1_calc_crc8((u8 *)&rn, 7)) {
+               w1_attach_slave_device(dev, tmp);
        }
                        
        atomic_dec(&dev->refcnt);