diff options
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 99d4fbffb0df..2ad4dda6d4a7 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3700,11 +3700,16 @@ 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, (unsigned long long)dev->n_sectors); + + /* restore original n_sectors */ + dev->n_sectors = n_sectors; + rc = -ENODEV; goto fail; } |