[ipxe-devel] [PATCH 1/1] dhcp: correct user class data

[Heinrich Schuchardt]

The user class option for DHCP is defined in RFC 3004.

The third byte of the user class data must be the length
of the first user class value.

Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 src/net/udp/dhcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/net/udp/dhcp.c b/src/net/udp/dhcp.c
index 3a3666c9..402c1ba5 100644
--- a/src/net/udp/dhcp.c
+++ b/src/net/udp/dhcp.c
@@ -87,7 +87,7 @@ static uint8_t dhcp_request_options_data[] = {
 	DHCP_VENDOR_CLASS_ID,
 	DHCP_STRING ( DHCP_VENDOR_PXECLIENT ( DHCP_ARCH_CLIENT_ARCHITECTURE,
 					      DHCP_ARCH_CLIENT_NDI ) ),
-	DHCP_USER_CLASS_ID, DHCP_STRING ( 'i', 'P', 'X', 'E' ),
+	DHCP_USER_CLASS_ID, DHCP_STRING ( 4, 'i', 'P', 'X', 'E' ),
 	DHCP_PARAMETER_REQUEST_LIST,
 	DHCP_OPTION ( DHCP_SUBNET_MASK, DHCP_ROUTERS, DHCP_DNS_SERVERS,
 		      DHCP_LOG_SERVERS, DHCP_HOST_NAME, DHCP_DOMAIN_NAME,
-- 
2.14.1