From e0f74cea66e64e8f12462fce4f6580800592417a Mon Sep 17 00:00:00 2001 From: Zhang Lubo Date: Wed, 8 Jul 2015 09:49:41 +0000 Subject: [PATCH] fix the problem that data type conversion may loss data. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Zhang Lubo Reviewed-by: Fu Siyuan git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17886 6f19259b-4bc3-4df7-8a09-765794883524 --- MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c index cfb4b26df2..647fe64e50 100644 --- a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c +++ b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c @@ -328,11 +328,11 @@ Mtftp4SendRequest ( for (Index = 0; Index < Token->OptionCount; ++Index) { Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len, (CHAR8 *) Options[Index].OptionStr); Cur += AsciiStrLen ((CHAR8 *) Options[Index].OptionStr) + 1; - Len -= (AsciiStrLen ((CHAR8 *) Options[Index].OptionStr) + 1); + Len -= (UINT32) AsciiStrLen ((CHAR8 *) Options[Index].OptionStr) + 1; Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len, (CHAR8 *) Options[Index].ValueStr); Cur += AsciiStrLen ((CHAR8 *) (CHAR8 *) Options[Index].ValueStr) + 1; - Len -= (AsciiStrLen ((CHAR8 *) (CHAR8 *) Options[Index].ValueStr) + 1); + Len -= (UINT32) AsciiStrLen ((CHAR8 *) (CHAR8 *) Options[Index].ValueStr) + 1; } return Mtftp4SendPacket (Instance, Nbuf); -- 2.39.2