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-rw-r--r--net/sched/cls_u32.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 53171029439..c3900820916 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -613,17 +613,7 @@ static int u32_change(struct tcf_proto *tp, unsigned long base, u32 handle,
memcpy(&n->sel, s, sizeof(*s) + s->nkeys*sizeof(struct tc_u32_key));
n->ht_up = ht;
n->handle = handle;
-{
- u8 i = 0;
- u32 mask = ntohl(s->hmask);
- if (mask) {
- while (!(mask & 1)) {
- i++;
- mask>>=1;
- }
- }
- n->fshift = i;
-}
+ n->fshift = s->hmask ? ffs(ntohl(s->hmask)) - 1 : 0;
#ifdef CONFIG_CLS_U32_MARK
if (tb[TCA_U32_MARK-1]) {