[PATCH 1/8] net: dhcp: reset env variable before do a dhcp request

[Jean-Christophe PLAGNIOL-VILLARD]

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 net/dhcp.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/net/dhcp.c b/net/dhcp.c
index 53eed6c..1ba4def 100644
--- a/net/dhcp.c
+++ b/net/dhcp.c
@@ -453,6 +453,12 @@ static int do_dhcp(int argc, char *argv[])
 	int ret, opt;
 	char *vendor_id = (char*)getenv("dhcp_vendor_id");
 
+	setenv("bootfile","");
+	setenv("nameserver","");
+	setenv("hostname","");
+	setenv("domainname","");
+	setenv("rootpath","");
+
 	while((opt = getopt(argc, argv, "v:")) > 0) {
 		switch(opt) {
 		case 'v':
-- 
1.7.9.1