diff options
| -rw-r--r-- | net/appletalk/ddp.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 31fca64d17a2..b631cc734540 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -922,13 +922,8 @@ static unsigned long atalk_sum_partial(const unsigned char *data, { /* This ought to be unwrapped neatly. I'll trust gcc for now */ while (len--) { - sum += *data; - sum <<= 1; - if (sum & 0x10000) { - sum++; - sum &= 0xffff; - } - data++; + sum += *data++; + sum = rol16(sum, 1); } return sum; } |