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-rw-r--r--include/net.h2
-rw-r--r--net/net.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/include/net.h b/include/net.h
index dd673f0..5e3495b 100644
--- a/include/net.h
+++ b/include/net.h
@@ -520,7 +520,7 @@ extern IPaddr_t string_to_ip(char *s);
extern void VLAN_to_string (ushort x, char *s);
/* Convert a string to a vlan id */
-extern ushort string_to_VLAN(char *s);
+extern ushort string_to_VLAN(const char *s);
/* read a VLAN id from an environment variable */
extern ushort getenv_VLAN(char *);
diff --git a/net/net.c b/net/net.c
index 7576419..a609632 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1913,7 +1913,7 @@ void VLAN_to_string(ushort x, char *s)
sprintf(s, "%d", x & VLAN_IDMASK);
}
-ushort string_to_VLAN(char *s)
+ushort string_to_VLAN(const char *s)
{
ushort id;