This patch remove unnecessary casts and brackets in compress_udp_header
function.
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
net/ieee802154/6lowpan_iphc.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/net/ieee802154/6lowpan_iphc.c b/net/ieee802154/6lowpan_iphc.c
index d49cc1b..78bbb76 100644
--- a/net/ieee802154/6lowpan_iphc.c
+++ b/net/ieee802154/6lowpan_iphc.c
@@ -553,24 +553,22 @@ static void compress_udp_header(u8 **hc06_ptr, struct sk_buff *skb)
LOWPAN_NHC_UDP_4BIT_PORT)) {
pr_debug("UDP header: both ports compression to 4 bits\n");
**hc06_ptr = LOWPAN_NHC_UDP_CS_P_11;
- *(*hc06_ptr + 1) = /* subtraction is faster */
- (u8)((ntohs(uh->dest) - LOWPAN_NHC_UDP_4BIT_PORT) +
- ((ntohs(uh->source) - LOWPAN_NHC_UDP_4BIT_PORT) << 4));
+ *(*hc06_ptr + 1) = ntohs(uh->dest) - LOWPAN_NHC_UDP_4BIT_PORT +
+ ((ntohs(uh->source) -
+ LOWPAN_NHC_UDP_4BIT_PORT) << 4);
*hc06_ptr += 2;
} else if ((ntohs(uh->dest) & LOWPAN_NHC_UDP_8BIT_MASK) ==
LOWPAN_NHC_UDP_8BIT_PORT) {
pr_debug("UDP header: remove 8 bits of dest\n");
**hc06_ptr = LOWPAN_NHC_UDP_CS_P_01;
memcpy(*hc06_ptr + 1, &uh->source, 2);
- *(*hc06_ptr + 3) = (u8)(ntohs(uh->dest) -
- LOWPAN_NHC_UDP_8BIT_PORT);
+ *(*hc06_ptr + 3) = ntohs(uh->dest) - LOWPAN_NHC_UDP_8BIT_PORT;
*hc06_ptr += 4;
} else if ((ntohs(uh->source) & LOWPAN_NHC_UDP_8BIT_MASK) ==
LOWPAN_NHC_UDP_8BIT_PORT) {
pr_debug("UDP header: remove 8 bits of source\n");
**hc06_ptr = LOWPAN_NHC_UDP_CS_P_10;
- *(*hc06_ptr + 1) = (u8)(ntohs(uh->source) -
- LOWPAN_NHC_UDP_8BIT_PORT);
+ *(*hc06_ptr + 1) = ntohs(uh->source) - LOWPAN_NHC_UDP_8BIT_PORT;
memcpy(*hc06_ptr + 2, &uh->dest, 2);
*hc06_ptr += 4;
} else {
--
1.8.5.1
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