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Fix ping command issue in IP4 driver.

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Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Ouyang Qian <qian.ouyang@intel.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14314 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
sfu5
2013-04-25 01:25:49 +00:00
parent bf1400b9ad
commit d0ccf55e34
2 changed files with 48 additions and 21 deletions
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36
MdeModulePkg/Universal/Network/Ip4Dxe/Ip4If.c
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@@ -740,11 +740,24 @@ Ip4FreeInterface (
//
Ip4CancelFrames (Interface, EFI_ABORTED, Ip4CancelInstanceFrame, IpInstance);
if (--Interface->RefCnt > 0) {
return EFI_SUCCESS;
}
//
// Destroy the ARP instance if this is the last IP instance that
// has the address.
// Destroy the interface if this is the last IP instance that
// has the address. Remove all the system transmitted packets
// from this interface, cancel the receive request if there is
// one, and destroy the ARP requests.
//
if (Interface->Arp != NULL && IsListEmpty (&Interface->IpInstances)) {
Ip4CancelFrames (Interface, EFI_ABORTED, Ip4CancelInstanceFrame, NULL);
Ip4CancelReceive (Interface);
ASSERT (IsListEmpty (&Interface->IpInstances));
ASSERT (IsListEmpty (&Interface->ArpQues));
ASSERT (IsListEmpty (&Interface->SentFrames));
if (Interface->Arp != NULL) {
gBS->CloseProtocol (
Interface->ArpHandle,
&gEfiArpProtocolGuid,
@@ -758,24 +771,7 @@ Ip4FreeInterface (
&gEfiArpServiceBindingProtocolGuid,
Interface->ArpHandle
);
Interface->Arp = NULL;
}
if (--Interface->RefCnt > 0) {
return EFI_SUCCESS;
}
//
// Destroy the interface if it is not referenced by any IP instance (for common Interface)
// or the IP service (for the DefaultInterface). Remove all the system transmitted packets
// from this interface, cancel the receive request if there is one.
//
Ip4CancelFrames (Interface, EFI_ABORTED, Ip4CancelInstanceFrame, NULL);
Ip4CancelReceive (Interface);
ASSERT (IsListEmpty (&Interface->IpInstances));
ASSERT (IsListEmpty (&Interface->ArpQues));
ASSERT (IsListEmpty (&Interface->SentFrames));
RemoveEntryList (&Interface->Link);
FreePool (Interface);