libata: fix n_sectors failure handling during revalidation
If revalidation fails because device has different n_sectors after configuration the original n_sectors should be restored before failing revalidation. Without this fix, n_sectors difference will incorrectly and silently pass revalidation when revalidation is retried. Signed-off-by: Tejun Heo <htejun@gmail.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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@ -3705,6 +3705,10 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int readid_flags)
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"%llu != %llu\n",
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"%llu != %llu\n",
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(unsigned long long)n_sectors,
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(unsigned long long)n_sectors,
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(unsigned long long)dev->n_sectors);
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(unsigned long long)dev->n_sectors);
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/* restore original n_sectors */
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dev->n_sectors = n_sectors;
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rc = -ENODEV;
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rc = -ENODEV;
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goto fail;
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goto fail;
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}
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}
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