MdeModulePkg/Ide: return correct status when DRQ is not ready for ATAPI

When executing ATAPI cmd at IDE mode, EFI_SUCCESS may be returned wrongly
with old logic but in fact DRQ is not ready and the transaction doesn't
get executed correctly at this time.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19611 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Feng Tian 2016-01-07 07:03:32 +00:00 committed by erictian
parent bdc063e134
commit 7cac240163
1 changed files with 1 additions and 1 deletions

View File

@ -1949,7 +1949,7 @@ AtaPacketReadWrite (
//
Status = DRQReady2 (PciIo, IdeRegisters, Timeout);
if (EFI_ERROR (Status)) {
return CheckStatusRegister (PciIo, IdeRegisters);
return Status;
}
//