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[SCSI] QLOGICPTI: Do not unmap DMA unless we actually mapped something.
authorDavid S. Miller <davem@sunset.davemloft.net>
Sat, 14 Apr 2007 17:29:10 +0000 (10:29 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Sat, 14 Apr 2007 17:29:10 +0000 (10:29 -0700)
commitdd6e5ad7e7e6b598c3a070fa7a8c9970b0eb0d30
tree004a3b3b5f0d1bc9a32d27bc7f555bae5a04112atree | snapshot
parentee5b4d207dfbea5572b8ae1df6ce980a3bc399d0commit | 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>
drivers/scsi/qlogicpti.c diff | blob | history
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