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USB: usb-storage: merge ATAPI and QIC-157 protocol routines

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This patch (as1174) merges usb-storage's QIC-157 and ATAPI protocol
routines.  Since the two functions are identical, there's no reason to
keep them separate.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern
2008-11-20 14:22:18 -05:00
committed by Greg Kroah-Hartman
parent 64648a9dc4
commit 3dae534531
3 changed files with 6 additions and 27 deletions
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24
drivers/usb/storage/protocol.c
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@ -56,9 +56,9 @@
* Protocol routines
***********************************************************************/
void usb_stor_qic157_command(struct scsi_cmnd *srb, struct us_data *us)
void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
{
/* Pad the ATAPI command with zeros
/* Pad the SCSI command with zeros out to 12 bytes
*
* NOTE: This only works because a scsi_cmnd struct field contains
* a unsigned char cmnd[16], so we know we have storage available
@ -73,26 +73,6 @@ void usb_stor_qic157_command(struct scsi_cmnd *srb, struct us_data *us)
usb_stor_invoke_transport(srb, us);
}
void usb_stor_ATAPI_command(struct scsi_cmnd *srb, struct us_data *us)
{
/* Pad the ATAPI command with zeros
*
* NOTE: This only works because a scsi_cmnd struct field contains
* a unsigned char cmnd[16], so we know we have storage available
*/
/* Pad the ATAPI command with zeros */
for (; srb->cmd_len<12; srb->cmd_len++)
srb->cmnd[srb->cmd_len] = 0;
/* set command length to 12 bytes */
srb->cmd_len = 12;
/* send the command to the transport layer */
usb_stor_invoke_transport(srb, us);
}
void usb_stor_ufi_command(struct scsi_cmnd *srb, struct us_data *us)
{
/* fix some commands -- this is a form of mode translation