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[PATCH] libata: ata_dev_init_params() fixes

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ata_dev_init_params() fixes:
- Get the "heads" and "sectors" parameters from caller instead of implicitly from dev->id[].
- Return AC_ERR_INVALID instead of 0 if an invalid parameter is found

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Albert Lee 2006-03-27 16:39:18 +08:00 committed by Jeff Garzik
parent 17efc5f723
commit 00b6f5e9e0
1 changed files with 8 additions and 6 deletions
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14
drivers/scsi/libata-core.c
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@ -62,7 +62,9 @@
#include "libata.h"
static unsigned int ata_dev_init_params(struct ata_port *ap,
struct ata_device *dev);
struct ata_device *dev,
u16 heads,
u16 sectors);
static void ata_set_mode(struct ata_port *ap);
static unsigned int ata_dev_set_xfermode(struct ata_port *ap,
struct ata_device *dev);
@ -1156,7 +1158,7 @@ static int ata_dev_read_id(struct ata_port *ap, struct ata_device *dev,
* Some drives were very specific about that exact sequence.
*/
if (ata_id_major_version(id) < 4 || !ata_id_has_lba(id)) {
err_mask = ata_dev_init_params(ap, dev);
err_mask = ata_dev_init_params(ap, dev, id[3], id[6]);
if (err_mask) {
rc = -EIO;
reason = "INIT_DEV_PARAMS failed";
@ -2748,16 +2750,16 @@ static unsigned int ata_dev_set_xfermode(struct ata_port *ap,
*/
static unsigned int ata_dev_init_params(struct ata_port *ap,
struct ata_device *dev)
struct ata_device *dev,
u16 heads,
u16 sectors)
{
struct ata_taskfile tf;
unsigned int err_mask;
u16 sectors = dev->id[6];
u16 heads = dev->id[3];
/* Number of sectors per track 1-255. Number of heads 1-16 */
if (sectors < 1 || sectors > 255 || heads < 1 || heads > 16)
return 0;
return AC_ERR_INVALID;
/* set up init dev params taskfile */
DPRINTK("init dev params \n");