[edk2-devel] [PATCH] NetworkPkg/DxeNetLib: Change the order of conditions in IF statement

[Zhang, Shenglei]

The condition, NET_HEADSPACE(&(Nbuf->BlockOp[Index])) < Len, is meaningless
if Index < 0. So 'Index < 0' should be performed first in the if statement.

Cc: Siyuan Fu <siyuan...@intel.com>
Cc: Jiaxin Wu <jiaxin...@intel.com>
Signed-off-by: Shenglei Zhang <shenglei.zh...@intel.com>
---
 NetworkPkg/Library/DxeNetLib/NetBuffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/NetworkPkg/Library/DxeNetLib/NetBuffer.c 
b/NetworkPkg/Library/DxeNetLib/NetBuffer.c
index 2408e9a10456..a35e67aa1f6c 100644
--- a/NetworkPkg/Library/DxeNetLib/NetBuffer.c
+++ b/NetworkPkg/Library/DxeNetLib/NetBuffer.c
@@ -1063,7 +1063,7 @@ NetbufAllocSpace (
     } else {
       NetbufGetByte (Nbuf, 0, &Index);
 
-      if ((NET_HEADSPACE(&(Nbuf->BlockOp[Index])) < Len) && (Index > 0)) {
+      if ((Index > 0) && (NET_HEADSPACE(&(Nbuf->BlockOp[Index])) < Len)) {
         Index--;
       }
     }
-- 
2.18.0.windows.1


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