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

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>

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 0e9eeb0..f848010 100644 (file)
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -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;
 }