icmp: move icmp_err_convert[] to .rodata
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/icmp.h b/include/net/icmp.h
index dfa72d4..15b3dfe 100644
--- a/include/net/icmp.h
+++ b/include/net/icmp.h
@@ -28,7 +28,7 @@
unsigned fatal:1;
};
-extern struct icmp_err icmp_err_convert[];
+extern const struct icmp_err icmp_err_convert[];
#define ICMP_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.icmp_statistics, field)
#define ICMP_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->mib.icmp_statistics, field)
#define ICMPMSGOUT_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.icmpmsg_statistics, field+256)
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index fe11f60..4b4c2bc 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -114,7 +114,7 @@
/* An array of errno for error messages from dest unreach. */
/* RFC 1122: 3.2.2.1 States that NET_UNREACH, HOST_UNREACH and SR_FAILED MUST be considered 'transient errs'. */
-struct icmp_err icmp_err_convert[] = {
+const struct icmp_err icmp_err_convert[] = {
{
.errno = ENETUNREACH, /* ICMP_NET_UNREACH */
.fatal = 0,