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| author | Matthew Garrett <mjg59@srcf.ucam.org> | 2007-11-08 18:37:07 +0000 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-11-10 00:31:27 -0500 |
| commit | 037f6bb79f753c014bc84bca0de9bf98bb5ab169 (patch) | |
| tree | e6c43c00947fa0d097ae611a4051efa7afd2d06c /drivers/ata/libata-acpi.c | |
| parent | 32ebbc0c0d5d18c0135b55d1eb0029f48c54aff0 (diff) | |
| download | lwn-037f6bb79f753c014bc84bca0de9bf98bb5ab169.tar.gz lwn-037f6bb79f753c014bc84bca0de9bf98bb5ab169.zip | |
libata: Don't fail device revalidation for bad _GTF methods
Experience suggests that the _GTF method may be bad. We currently fail
device revalidation in that case, which seems excessive.
Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/libata-acpi.c')
| -rw-r--r-- | drivers/ata/libata-acpi.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 08a52dd45fb6..545ea865ceb5 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -312,7 +312,7 @@ EXPORT_SYMBOL_GPL(ata_acpi_stm); * * RETURNS: * Number of taskfiles on success, 0 if _GTF doesn't exist or doesn't - * contain valid data. -errno on other errors. + * contain valid data. */ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf, void **ptr_to_free) @@ -339,7 +339,6 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf, ata_dev_printk(dev, KERN_WARNING, "_GTF evaluation failed (AE 0x%x)\n", status); - rc = -EIO; } goto out_free; } @@ -359,7 +358,6 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf, ata_dev_printk(dev, KERN_WARNING, "_GTF unexpected object type 0x%x\n", out_obj->type); - rc = -EINVAL; goto out_free; } @@ -367,7 +365,6 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf, ata_dev_printk(dev, KERN_WARNING, "unexpected _GTF length (%d)\n", out_obj->buffer.length); - rc = -EINVAL; goto out_free; } @@ -511,10 +508,7 @@ static int ata_acpi_exec_tfs(struct ata_device *dev) int gtf_count, i, rc; /* get taskfiles */ - rc = ata_dev_get_GTF(dev, >f, &ptr_to_free); - if (rc < 0) - return rc; - gtf_count = rc; + gtf_count = ata_dev_get_GTF(dev, >f, &ptr_to_free); /* execute them */ for (i = 0, rc = 0; i < gtf_count; i++) { |