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-rw-r--r--drivers/w1/w1.c9
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)
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);
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