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.rab...@linux.intel.com> Cc: Siyuan Fu <siyuan...@intel.com> Cc: Jiaxin Wu <jiaxin...@intel.com> Signed-off-by: Shenglei Zhang <shenglei.zh...@intel.com> --- 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 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#59914): https://edk2.groups.io/g/devel/message/59914 Mute This Topic: https://groups.io/mt/74341614/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-