plaisthos has uploaded this change for review. ( 
http://gerrit.openvpn.net/c/openvpn/+/1944?usp=email )


Change subject: Inline ret definition in dco_linux.c
......................................................................

Inline ret definition in dco_linux.c

These are never read and then directly overwritten by the return
value of the send function. Inline these to make the code a bit
cleaner.

Found by cppcheck.

Change-Id: I98f33343d35453219e43b8730cc10bcef119ea20
Signed-off-by: Arne Schwabe <[email protected]>
---
M src/openvpn/dco_linux.c
1 file changed, 9 insertions(+), 17 deletions(-)



  git pull ssh://gerrit.openvpn.net:29418/openvpn refs/changes/44/1944/1

diff --git a/src/openvpn/dco_linux.c b/src/openvpn/dco_linux.c
index 56f6259..8f5f26a 100644
--- a/src/openvpn/dco_linux.c
+++ b/src/openvpn/dco_linux.c
@@ -235,7 +235,6 @@

     struct nl_msg *nl_msg = ovpn_dco_nlmsg_create(dco, OVPN_CMD_PEER_NEW);
     struct nlattr *attr = nla_nest_start(nl_msg, OVPN_A_PEER);
-    int ret = -EMSGSIZE;

     NLA_PUT_U32(nl_msg, OVPN_A_PEER_ID, peerid);
     NLA_PUT_U32(nl_msg, OVPN_A_PEER_SOCKET, sd);
@@ -289,7 +288,7 @@
     }
     nla_nest_end(nl_msg, attr);

-    ret = ovpn_nl_msg_send(dco, nl_msg, __func__);
+    int ret = ovpn_nl_msg_send(dco, nl_msg, __func__);

 nla_put_failure:
     nlmsg_free(nl_msg);
@@ -545,11 +544,10 @@
     }

     struct nlattr *attr = nla_nest_start(nl_msg, OVPN_A_KEYCONF);
-    int ret = -EMSGSIZE;
     NLA_PUT_U32(nl_msg, OVPN_A_KEYCONF_PEER_ID, peerid);
     nla_nest_end(nl_msg, attr);

-    ret = ovpn_nl_msg_send(dco, nl_msg, __func__);
+    int ret = ovpn_nl_msg_send(dco, nl_msg, __func__);

 nla_put_failure:
     nlmsg_free(nl_msg);
@@ -569,11 +567,11 @@
     }

     struct nlattr *attr = nla_nest_start(nl_msg, OVPN_A_PEER);
-    int ret = -EMSGSIZE;
+
     NLA_PUT_U32(nl_msg, OVPN_A_PEER_ID, peerid);
     nla_nest_end(nl_msg, attr);

-    ret = ovpn_nl_msg_send(dco, nl_msg, __func__);
+    int ret = ovpn_nl_msg_send(dco, nl_msg, __func__);

 nla_put_failure:
     nlmsg_free(nl_msg);
@@ -584,7 +582,6 @@
 int
 dco_del_key(dco_context_t *dco, unsigned int peerid, dco_key_slot_t slot)
 {
-    int ret = -EMSGSIZE;
     msg(D_DCO_DEBUG, "%s: peer-id %d, slot %d", __func__, peerid, slot);

     struct nl_msg *nl_msg = ovpn_dco_nlmsg_create(dco, OVPN_CMD_KEY_DEL);
@@ -598,7 +595,7 @@
     NLA_PUT_U32(nl_msg, OVPN_A_KEYCONF_SLOT, slot);
     nla_nest_end(nl_msg, keyconf);

-    ret = ovpn_nl_msg_send(dco, nl_msg, __func__);
+    int ret = ovpn_nl_msg_send(dco, nl_msg, __func__);

 nla_put_failure:
     nlmsg_free(nl_msg);
@@ -625,8 +622,6 @@

     dco_cipher_t dco_cipher = dco_get_cipher(ciphername);

-    int ret = -EMSGSIZE;
-
     struct nlattr *key_conf = nla_nest_start(nl_msg, OVPN_A_KEYCONF);
     NLA_PUT_U32(nl_msg, OVPN_A_KEYCONF_PEER_ID, peerid);
     NLA_PUT_U32(nl_msg, OVPN_A_KEYCONF_SLOT, slot);
@@ -652,7 +647,7 @@
     nla_nest_end(nl_msg, key_conf);


-    ret = ovpn_nl_msg_send(dco, nl_msg, __func__);
+    int ret = ovpn_nl_msg_send(dco, nl_msg, __func__);

 nla_put_failure:
     nlmsg_free(nl_msg);
@@ -673,13 +668,12 @@
     }

     struct nlattr *attr = nla_nest_start(nl_msg, OVPN_A_PEER);
-    int ret = -EMSGSIZE;
     NLA_PUT_U32(nl_msg, OVPN_A_PEER_ID, peerid);
     NLA_PUT_U32(nl_msg, OVPN_A_PEER_KEEPALIVE_INTERVAL, keepalive_interval);
     NLA_PUT_U32(nl_msg, OVPN_A_PEER_KEEPALIVE_TIMEOUT, keepalive_timeout);
     nla_nest_end(nl_msg, attr);

-    ret = ovpn_nl_msg_send(dco, nl_msg, __func__);
+    int ret = ovpn_nl_msg_send(dco, nl_msg, __func__);
 
 nla_put_failure:
     nlmsg_free(nl_msg);
@@ -754,10 +748,9 @@

     genlmsg_put(nl_msg, 0, 0, dco->ctrlid, 0, 0, CTRL_CMD_GETFAMILY, 0);

-    int ret = -EMSGSIZE;
     NLA_PUT_STRING(nl_msg, CTRL_ATTR_FAMILY_NAME, OVPN_FAMILY_NAME);

-    ret = ovpn_nl_msg_send(dco, nl_msg, __func__);
+    int ret = ovpn_nl_msg_send(dco, nl_msg, __func__);

 nla_put_failure:
     nlmsg_free(nl_msg);
@@ -1192,7 +1185,6 @@

     struct nl_msg *nl_msg = ovpn_dco_nlmsg_create(dco, OVPN_CMD_PEER_GET);
     struct nlattr *attr = nla_nest_start(nl_msg, OVPN_A_PEER);
-    int ret = -EMSGSIZE;

     if (peer_id != -1)
     {
@@ -1204,7 +1196,7 @@
     }
     nla_nest_end(nl_msg, attr);

-    ret = ovpn_nl_msg_send(dco, nl_msg, __func__);
+    int ret = ovpn_nl_msg_send(dco, nl_msg, __func__);

 nla_put_failure:
     nlmsg_free(nl_msg);

--
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Gerrit-MessageType: newchange
Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: I98f33343d35453219e43b8730cc10bcef119ea20
Gerrit-Change-Number: 1944
Gerrit-PatchSet: 1
Gerrit-Owner: plaisthos <[email protected]>
Gerrit-CC: openvpn-devel <[email protected]>
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