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NetworkPkg: Add assert for buffer pointer from DHCP driver. 

The PxeBcDhcp4CallBack() is provided for DHCP driver to invoke packet check
during DHCP process, the DHCP driver should make sure Packet and NewPacket
has meaningful value. This patch adds assert for this.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Sriram Subramanian <sriram-s@hpe.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
This commit is contained in:
Fu Siyuan 2018-01-02 13:18:17 +08:00
parent 2fad330f6b
commit 9d1c98e699
1 changed files with 4 additions and 0 deletions
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4
NetworkPkg/UefiPxeBcDxe/PxeBcDhcp4.c
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@ -1210,6 +1210,8 @@ PxeBcDhcp4CallBack (
return EFI_SUCCESS;
}
ASSERT (Packet != NULL);
Private = (PXEBC_PRIVATE_DATA *) Context;
Mode = Private->PxeBc.Mode;
Callback = Private->PxeBcCallback;
@ -1305,6 +1307,8 @@ PxeBcDhcp4CallBack (
break;
case Dhcp4SelectOffer:
ASSERT (NewPacket != NULL);
//
// Select offer by the default policy or by order, and record the SelectIndex
// and SelectProxyType.