qianouyang d0844d133b Add Pointer check for NULL before referring it and remove unnecessary pointer check in AtaAtapiPassThru and Partition Drivers. ... git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11627 6f19259b-4bc3-4df7-8a09-765794883524		2011-05-06 07:15:41 +00:00
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Ata	Add Pointer check for NULL before referring it and remove unnecessary pointer check in AtaAtapiPassThru and Partition Drivers.	2011-05-06 07:15:41 +00:00
Pci	Update some progress codes name per the PI Spec, 1.2 Errata B.	2011-03-11 02:10:08 +00:00
Scsi	Change BlockIo drivers to return EFI_NO_MEDIA or EFI_MEDIA_CHANGED even the Buffer/BufferSize/Lba is invalid so that caller can probe the media status easier.	2011-04-25 09:31:57 +00:00
Usb	Change BlockIo drivers to return EFI_NO_MEDIA or EFI_MEDIA_CHANGED even the Buffer/BufferSize/Lba is invalid so that caller can probe the media status easier.	2011-04-25 09:31:57 +00:00