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authorFu Siyuan <siyuan.fu@intel.com>2017-12-21 15:31:22 +0800
committerFu Siyuan <siyuan.fu@intel.com>2017-12-22 15:34:19 +0800
commit673abfb7491b4abd73bb6a770cf8cd293fbbccb4 (patch)
tree89dc74bd3322ae62f6957505008fdff6ab0ede00 /NetworkPkg/UefiPxeBcDxe
parentc7285227e75dfc92843e0814b59ce38ed2e80764 (diff)
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NetworkPkg: Remove redundant check in PXE driver.
The IP protocol has been configured to only receive ICMP packet in PXE driver. So this patch removes the unnecessary check for NextHeader field and replace it with ASSERT. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
Diffstat (limited to 'NetworkPkg/UefiPxeBcDxe')
-rw-r--r--NetworkPkg/UefiPxeBcDxe/PxeBcSupport.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcSupport.c b/NetworkPkg/UefiPxeBcDxe/PxeBcSupport.c
index dfc79a067b..720287583e 100644
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcSupport.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcSupport.c
@@ -279,14 +279,11 @@ PxeBcIcmpErrorDpcHandle (
gBS->SignalEvent (RxData->RecycleSignal);
goto ON_EXIT;
}
-
- if (RxData->Header->Protocol != EFI_IP_PROTO_ICMP) {
- //
- // The protocol value in the header of the receveid packet should be EFI_IP_PROTO_ICMP.
- //
- gBS->SignalEvent (RxData->RecycleSignal);
- goto ON_EXIT;
- }
+
+ //
+ // The protocol has been configured to only receive ICMP packet.
+ //
+ ASSERT (RxData->Header->Protocol == EFI_IP_PROTO_ICMP);
Type = *((UINT8 *) RxData->FragmentTable[0].FragmentBuffer);
@@ -416,13 +413,10 @@ PxeBcIcmp6ErrorDpcHandle (
goto ON_EXIT;
}
- if (RxData->Header->NextHeader != IP6_ICMP) {
- //
- // The nextheader in the header of the receveid packet should be IP6_ICMP.
- //
- gBS->SignalEvent (RxData->RecycleSignal);
- goto ON_EXIT;
- }
+ //
+ // The protocol has been configured to only receive ICMP packet.
+ //
+ ASSERT (RxData->Header->NextHeader == IP6_ICMP);
Type = *((UINT8 *) RxData->FragmentTable[0].FragmentBuffer);