tree dcf2145bbf63751722f694044fe547a7dab27d1f
parent 6ae4cfb5711b6f2878c9e384617971d98c34a7f5
author Albert Lee <albertcc@tw.ibm.com> 1123827470 +0800
committer Jeff Garzik <jgarzik@pobox.com> 1123829060 -0400

[PATCH] libata handle the case when device returns/needs extra data

PATCH 2/2:  handle the case when device returns/needs extra data

Description:
   Sometimes the device returns/needs extra data than expected.

Changes:
   Modify __atapi_pio_bytes() to handle the case where device returns/needs extra data.
     - for read case, discard trailing data from the device
     - for write case, padding zero data to the device

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>