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[Openvpn-devel,XS] Change in openvpn[master]: Fix PASS_BY_VALUE issue in options_postprocess_mutate_le()

Message ID 11aa8b9c09fc615599857e7019fed07294bf914a-HTML@gerrit.openvpn.net
State Superseded
Headers show
Series [Openvpn-devel,XS] Change in openvpn[master]: Fix PASS_BY_VALUE issue in options_postprocess_mutate_le() | expand

Commit Message

plaisthos (Code Review) Jan. 24, 2025, 12:43 p.m. UTC 
Attention is currently required from: flichtenheld, plaisthos.

Hello plaisthos, flichtenheld,

I'd like you to do a code review.
Please visit

    http://gerrit.openvpn.net/c/openvpn/+/875?usp=email

to review the following change.


Change subject: Fix PASS_BY_VALUE issue in options_postprocess_mutate_le()
......................................................................

Fix PASS_BY_VALUE issue in options_postprocess_mutate_le()

Fix issue reported by Coverity:
CID 1641424: Performance inefficiencies (PASS_BY_VALUE)
    Passing parameter ce of type "struct connection_entry"
    (size 208 bytes) by value, which exceeds the low
    threshold of 128 bytes.

Commit 8466c2ca unintentionally introduced a performance
penalty due to passing struct connection_entry 'ce'
by value to options_postprocess_mutate_le().
fix this by passing 'ce' by address.

Change-Id: I0542df021ae0ba9c982335fed7bbd10ed326dd0f
Signed-off-by: Gianmarco De Gregori <gianmarco@mandelbit.com>
---
M src/openvpn/options.c
1 file changed, 3 insertions(+), 3 deletions(-)



  git pull ssh://gerrit.openvpn.net:29418/openvpn refs/changes/75/875/1
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Patch

diff --git a/src/openvpn/options.c b/src/openvpn/options.c
index c938999..bd5c056 100644
--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -3323,12 +3323,12 @@ 
 }
 
 static void
-options_postprocess_mutate_le(struct connection_entry ce, struct local_entry *le)
+options_postprocess_mutate_le(struct connection_entry *ce, struct local_entry *le)
 {
     /* use the global port if none is specified */
     if (!le->port)
     {
-        le->port = ce.local_port;
+        le->port = ce->local_port;
     }
 }
 
@@ -3777,7 +3777,7 @@ 
     {
         for (i = 0; i < o->ce.local_list->len; i++)
         {
-            options_postprocess_mutate_le(o->ce, o->ce.local_list->array[i]);
+            options_postprocess_mutate_le(&o->ce, o->ce.local_list->array[i]);
         }
     }
     else