From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 8 Nov 2017 10:10:41 +0100
The same exception handling was used in an if branch of two
separate statements.
* Merge their condition checks into a single statement instead.
* Delete the local variable "ret" which became unnecessary
with this refactoring.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
net/ieee802154/6lowpan/tx.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/net/ieee802154/6lowpan/tx.c b/net/ieee802154/6lowpan/tx.c
index e6ff5128e61a..1b0757db2078 100644
--- a/net/ieee802154/6lowpan/tx.c
+++ b/net/ieee802154/6lowpan/tx.c
@@ -255,7 +255,7 @@ static int lowpan_header(struct sk_buff *skb, struct net_device *ldev,
netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *ldev)
{
struct ieee802154_hdr wpan_hdr;
- int max_single, ret;
+ int max_single;
u16 dgram_size, dgram_offset;
pr_debug("package xmit\n");
@@ -269,13 +269,8 @@ netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *ldev)
if (!skb)
return NET_XMIT_DROP;
- ret = lowpan_header(skb, ldev, &dgram_size, &dgram_offset);
- if (ret < 0) {
- kfree_skb(skb);
- return NET_XMIT_DROP;
- }
-
- if (ieee802154_hdr_peek(skb, &wpan_hdr) < 0) {
+ if (lowpan_header(skb, ldev, &dgram_size, &dgram_offset) < 0 ||
+ ieee802154_hdr_peek(skb, &wpan_hdr) < 0) {
kfree_skb(skb);
return NET_XMIT_DROP;
}
--
2.15.0
--
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