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qlogicfas: don't call free_dma()

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The qlogicfas scsi driver does not use DMA, and the call to free_dma()
in its exit function seems to have been copied incorrectly from
another driver but never caused trouble.

One case where it gets in the way is randconfig builds on ARM,
which depending on the configuration does not provide a free_dma()
function, causing this build error:

drivers/scsi/qlogicfas.c: In function 'qlogicfas_release':
drivers/scsi/qlogicfas.c:175:3: error: implicit declaration of function 'free_dma' [-Werror=implicit-function-declaration]
   free_dma(shost->dma_channel);
   ^

Removing the incorrect function calls should be the obvious
fix for this, with no downsides.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Arnd Bergmann 2014-06-05 23:29:48 +02:00 committed by Christoph Hellwig
parent 6ea8631dc2
commit d3814aaf51
1 changed files with 0 additions and 2 deletions
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2
drivers/scsi/qlogicfas.c
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@ -171,8 +171,6 @@ static int qlogicfas_release(struct Scsi_Host *shost)
qlogicfas408_disable_ints(priv);
free_irq(shost->irq, shost);
}
if (shost->dma_channel != 0xff)
free_dma(shost->dma_channel);
if (shost->io_port && shost->n_io_port)
release_region(shost->io_port, shost->n_io_port);
scsi_host_put(shost);