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authorDan Williams <dan.j.williams@intel.com>2012-06-22 10:52:34 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-07-08 09:49:14 +0100
commit6ef1b512f4e6f936d89aa20be3d97a7ec7c290ac (patch)
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parent222a806af830fda34ad1f6bc991cd226916de060 (diff)
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[SCSI] libsas: fix taskfile corruption in sas_ata_qc_fill_rtf
fill_result_tf() grabs the taskfile flags from the originating qc which sas_ata_qc_fill_rtf() promptly overwrites. The presence of an ata_taskfile in the sata_device makes it tempting to just copy the full contents in sas_ata_qc_fill_rtf(). However, libata really only wants the fis contents and expects the other portions of the taskfile to not be touched by ->qc_fill_rtf. To that end store a fis buffer in the sata_device and use ata_tf_from_fis() like every other ->qc_fill_rtf() implementation. Cc: <stable@vger.kernel.org> Reported-by: Praveen Murali <pmurali@logicube.com> Tested-by: Praveen Murali <pmurali@logicube.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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