net: mark read-only arrays as const

String literals are constant, and usually, we can also tag the array
of pointers const too, moving it to the .rodata section.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index 774d73a..6211682 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -69,14 +69,14 @@
 static int access = ACCESS_PEER; /* PEER, DIRECT or HOSTED */
 
 #ifdef CONFIG_PROC_FS
-static const char *irlan_access[] = {
+static const char *const irlan_access[] = {
 	"UNKNOWN",
 	"DIRECT",
 	"PEER",
 	"HOSTED"
 };
 
-static const char *irlan_media[] = {
+static const char *const irlan_media[] = {
 	"UNKNOWN",
 	"802.3",
 	"802.5"