kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ide: use rq->cmd instead of pc->c in atapi common code

Browse source 
There should be no functionality change resulting from this patch.

[bart: s/HWGROUP(drive)/hwif->hwgroup/]

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Borislav Petkov 2008-07-23 19:56:01 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 08feacf3bc
commit 8fccf8995c
1 changed files with 13 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
drivers/ide/ide-atapi.c
View file

@ -22,6 +22,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int))
{
ide_hwif_t *hwif = drive->hwif;
struct request *rq = hwif->hwgroup->rq;
const struct ide_tp_ops *tp_ops = hwif->tp_ops;
xfer_func_t *xferfunc;
unsigned int temp;
@ -64,8 +65,9 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
local_irq_enable_in_hardirq();
if (drive->media == ide_tape && !scsi &&
(stat & ERR_STAT) && pc->c[0] == REQUEST_SENSE)
(stat & ERR_STAT) && rq->cmd[0] == REQUEST_SENSE)
stat &= ~ERR_STAT;
if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) {
/* Error detected */
debug_log("%s: I/O error\n", drive->name);
@ -76,16 +78,17 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
goto cmd_finished;
}
if (pc->c[0] == REQUEST_SENSE) {
if (rq->cmd[0] == REQUEST_SENSE) {
printk(KERN_ERR "%s: I/O error in request sense"
" command\n", drive->name);
return ide_do_reset(drive);
}
debug_log("[cmd %x]: check condition\n", pc->c[0]);
debug_log("[cmd %x]: check condition\n", rq->cmd[0]);
/* Retry operation */
retry_pc(drive);
/* queued, but not started */
return ide_stopped;
}
@ -96,8 +99,10 @@ cmd_finished:
dsc_handle(drive);
return ide_stopped;
}
/* Command finished - Call the callback function */
drive->pc_callback(drive);
return ide_stopped;
}
@ -116,6 +121,7 @@ cmd_finished:
printk(KERN_ERR "%s: CoD != 0 in %s\n", drive->name, __func__);
return ide_do_reset(drive);
}
if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) {
/* Hopefully, we will never get here */
printk(KERN_ERR "%s: We wanted to %s, but the device wants us "
@ -124,6 +130,7 @@ cmd_finished:
(ireason & IO) ? "Read" : "Write");
return ide_do_reset(drive);
}
if (!(pc->flags & PC_FLAG_WRITING)) {
/* Reading - Check that we have enough space */
temp = pc->xferred + bcount;
@ -174,7 +181,7 @@ cmd_finished:
pc->cur_pos += bcount;
debug_log("[cmd %x] transferred %d bytes on that intr.\n",
pc->c[0], bcount);
rq->cmd[0], bcount);
/* And set the interrupt handler again */
ide_set_handler(drive, handler, timeout, expiry);
@ -220,6 +227,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
ide_expiry_t *expiry)
{
ide_hwif_t *hwif = drive->hwif;
struct request *rq = hwif->hwgroup->rq;
ide_startstop_t startstop;
u8 ireason;
@ -250,7 +258,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
/* Send the actual packet */
if ((pc->flags & PC_FLAG_ZIP_DRIVE) == 0)
hwif->tp_ops->output_data(drive, NULL, pc->c, 12);
hwif->tp_ops->output_data(drive, NULL, rq->cmd, 12);
return ide_started;
}