[Patch] NetworkPkg/IScsiDxe: Correct the DnsMode value according the target info.

[Jiaxin Wu <jiaxin.wu@intel.com>]

This patch is to resolve the issue recorded @
https://bugzilla.tianocore.org/show_bug.cgi?id=823.

Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Karunakar P <karunakarp@amiindia.co.in>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Tested-by: Karunakar P <karunakarp@amiindia.co.in>
---
 NetworkPkg/IScsiDxe/IScsiDhcp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/NetworkPkg/IScsiDxe/IScsiDhcp.c b/NetworkPkg/IScsiDxe/IScsiDhcp.c
index e6f6972..e343523 100644
--- a/NetworkPkg/IScsiDxe/IScsiDhcp.c
+++ b/NetworkPkg/IScsiDxe/IScsiDhcp.c
@@ -132,10 +132,11 @@ IScsiDhcpExtractRootPath (
       return EFI_INVALID_PARAMETER;
     }
     CopyMem (&ConfigNvData->TargetUrl, Field->Str, Field->Len);
     ConfigNvData->TargetUrl[Field->Len + 1] = '\0';
   } else {
+    ConfigNvData->DnsMode = FALSE;
     ZeroMem(ConfigNvData->TargetUrl, sizeof (ConfigNvData->TargetUrl));
     Status = IScsiAsciiStrToIp (Field->Str, IpMode, &Ip);
     CopyMem (&ConfigNvData->TargetIp, &Ip, sizeof (EFI_IP_ADDRESS));
 
     if (EFI_ERROR (Status)) {
-- 
1.9.5.msysgit.1