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 <[email protected]> Cc: Star Zeng <[email protected]> --- MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c index 4928ed5..f74e5ca 100644 --- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c +++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c @@ -1949,7 +1949,7 @@ AtaPacketReadWrite ( // Status = DRQReady2 (PciIo, IdeRegisters, Timeout); if (EFI_ERROR (Status)) { - return CheckStatusRegister (PciIo, IdeRegisters); + return Status; } // -- 1.9.5.msysgit.0 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
