Commit b54eebd6 authored Aug 17, 2007 by Tejun Heo Committed by Jeff Garzik Aug 23, 2007

libata: don't check n_sectors during revalidation if zero



If the initial configuration fails early, n_sectors is left at zero.
Checking against it during revalidation makes retried configuration
fail due to n_sectors mismatch.  Ignore zero n_sectors during
revalidation.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

parent 9edbdbea

drivers/ata/libata-core.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -3700,7 +3700,8 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int readid_flags)
		goto fail;

		/* verify n_sectors hasn't changed */
		if (dev->class == ATA_DEV_ATA && dev->n_sectors != n_sectors) {
		if (dev->class == ATA_DEV_ATA && n_sectors &&
		dev->n_sectors != n_sectors) {
		ata_dev_printk(dev, KERN_INFO, "n_sectors mismatch "
		"%llu != %llu\n",
		(unsigned long long)n_sectors,