While we can assume that the memory is already be zero, we can drop some
memsets while parsing.
Signed-off-by: Alexander Aring <alex.ar...@gmail.com>
---
net/ieee802154/6lowpan.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index fd0a5bc..f3406dac 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -223,10 +223,6 @@ lowpan_uncompress_addr(struct sk_buff *skb, struct
in6_addr *ipaddr,
if (prefcount > 0)
memcpy(ipaddr, prefix, prefcount);
- if (prefcount + postcount < 16)
- memset(&ipaddr->s6_addr[prefcount], 0,
- 16 - (prefcount + postcount));
-
if (postcount > 0) {
memcpy(&ipaddr->s6_addr[16 - postcount], skb->data, postcount);
skb_pull(skb, postcount);
@@ -869,8 +865,6 @@ lowpan_process_data(struct sk_buff *skb)
hdr.priority = ((tmp >> 2) & 0x0f);
hdr.flow_lbl[0] = ((tmp << 6) & 0xC0) | ((tmp >> 2) & 0x30);
- hdr.flow_lbl[1] = 0;
- hdr.flow_lbl[2] = 0;
break;
/*
* Flow Label carried in-line
@@ -886,10 +880,6 @@ lowpan_process_data(struct sk_buff *skb)
break;
/* Traffic Class and Flow Label are elided */
case 3: /* 11b */
- hdr.priority = 0;
- hdr.flow_lbl[0] = 0;
- hdr.flow_lbl[1] = 0;
- hdr.flow_lbl[2] = 0;
break;
default:
break;
--
1.8.3.3
------------------------------------------------------------------------------
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