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Dont call dma->free unless dma is there.

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Spotted by: Ian Dowse <iedowse@maths.tcd.ie>
This commit is contained in:
Søren Schmidt 2003-03-13 09:04:55 +00:00
parent a80cc4e104
commit 394046e66f
1 changed files with 2 additions and 1 deletions
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3
sys/dev/ata/atapi-all.c
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@ -148,7 +148,8 @@ atapi_detach(struct ata_device *atadev)
}
free(request, M_ATAPI);
}
atadev->channel->dma->free(atadev);
if (atadev->channel->dma)
atadev->channel->dma->free(atadev);
free(atadev->result, M_ATAPI);
atadev->driver = NULL;
atadev->flags = 0;