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authorDavid S. Miller <davem@sunset.davemloft.net>2007-04-14 10:29:10 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-14 10:29:10 -0700
commit8d3ee2cb0ab59f78fdc801ede7db15ef47387bd0 (patch)
tree004a3b3b5f0d1bc9a32d27bc7f555bae5a04112a /drivers/scsi/scsi_sas_internal.h
parentd791d413fd8527aa6b130882cc84d52aee0fe980 (diff)
[SCSI] QLOGICPTI: Do not unmap DMA unless we actually mapped something.
We only map DMA when cmd->request_bufflen is non-zero for non-sg buffers, we thus should make the same check when unmapping. Based upon a report from Pasi Pirhonen. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/scsi/scsi_sas_internal.h')
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