net: if: Make gateway address in net_if_ipv4_set_gw() const

jukkar · jukkar · commit 766ad9f96c4b · 2019-07-01T15:34:11.000+03:00
As the function does not modify the parameter, we can make it const.

Signed-off-by: Jukka Rissanen &lt;jukka.rissanen@linux.intel.com&gt;
diff --git a/include/net/net_if.h b/include/net/net_if.h
@@ -1672,7 +1672,7 @@ __syscall bool net_if_ipv4_set_netmask_by_index(int index,
  * @param iface Interface to use.
  * @param gw IPv4 address of an gateway
  */
-void net_if_ipv4_set_gw(struct net_if *iface, struct in_addr *gw);
+void net_if_ipv4_set_gw(struct net_if *iface, const struct in_addr *gw);
 
 /**
  * @brief Set IPv4 gateway for an interface index.
diff --git a/subsys/net/ip/net_if.c b/subsys/net/ip/net_if.c
@@ -2644,7 +2644,7 @@ Z_SYSCALL_HANDLER(net_if_ipv4_set_netmask_by_index, index, netmask)
 }
 #endif /* CONFIG_USERSPACE */
 
-void net_if_ipv4_set_gw(struct net_if *iface, struct in_addr *gw)
+void net_if_ipv4_set_gw(struct net_if *iface, const struct in_addr *gw)
 {
 #if defined(CONFIG_NET_IPV4)
 	if (net_if_config_ipv4_get(iface, NULL) < 0) {

Original file line number	Diff line number	Diff line change
`@@ -2644,7 +2644,7 @@ Z_SYSCALL_HANDLER(net_if_ipv4_set_netmask_by_index, index, netmask)`
`2644`	`2644`	`}`
`2645`	`2645`	`#endif /* CONFIG_USERSPACE */`
`2646`	`2646`
`2647`		`-void net_if_ipv4_set_gw(struct net_if iface, struct in_addr gw)`
	`2647`	`+void net_if_ipv4_set_gw(struct net_if iface, const struct in_addr gw)`
`2648`	`2648`	`{`
`2649`	`2649`	`#if defined(CONFIG_NET_IPV4)`
`2650`	`2650`	`if (net_if_config_ipv4_get(iface, NULL) < 0) {`