[PATCH v2] 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 checking 'Index != 0' should be
performed first in the if statement.

Cc: Maciej Rabeda <maciej.rabeda@...>
Cc: Siyuan Fu <siyuan.fu@...>
Cc: Jiaxin Wu <jiaxin.wu@...>
Signed-off-by: Shenglei Zhang <shenglei.zhang@...>
---

v2: Update 'Index > 0' to 'Index != 0'

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 a232802c9a21..329a17623d94 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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