crush: remove redundant local variable
Remove extra x1 variable, it's just temporary placeholder that
clutters the code unnecessarily.
Reflects ceph.git commit 0d19408d91dd747340d70287b4ef9efd89e95c6b.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index 511ade9..a421e90 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -245,7 +245,7 @@
/* compute 2^44*log2(input+1) */
static __u64 crush_ln(unsigned int xin)
{
- unsigned int x = xin, x1;
+ unsigned int x = xin;
int iexpon, index1, index2;
__u64 RH, LH, LL, xl64, result;
@@ -273,12 +273,11 @@
/* RH*x ~ 2^48 * (2^15 + xf), xf<2^8 */
xl64 = (__s64)x * RH;
xl64 >>= 48;
- x1 = xl64;
result = iexpon;
result <<= (12 + 32);
- index2 = x1 & 0xff;
+ index2 = xl64 & 0xff;
/* LL ~ 2^48*log2(1.0+index2/2^15) */
LL = __LL_tbl[index2];