From: Borislav Petkov <[EMAIL PROTECTED]>

There should be no functional changes resulting from this patch.

Signed-off-by: Borislav Petkov <[EMAIL PROTECTED]>
---
 drivers/ide/ide-tape.c |   49 +++++++++++++++++------------------------------
 1 files changed, 18 insertions(+), 31 deletions(-)

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 31c1a20..9f1fc50 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -653,24 +653,6 @@ struct idetape_id_gcw {
 };
 
 /*
- *     READ POSITION packet command - Data Format (From Table 6-57)
- */
-typedef struct {
-       unsigned        reserved0_10    :2;     /* Reserved */
-       unsigned        bpu             :1;     /* Block Position Unknown */    
-       unsigned        reserved0_543   :3;     /* Reserved */
-       unsigned        eop             :1;     /* End Of Partition */
-       unsigned        bop             :1;     /* Beginning Of Partition */
-       u8              partition;              /* Partition Number */
-       u8              reserved2, reserved3;   /* Reserved */
-       u32             first_block;            /* First Block Location */
-       u32             last_block;             /* Last Block Location 
(Optional) */
-       u8              reserved12;             /* Reserved */
-       u8              blocks_in_buffer[3];    /* Blocks In Buffer - 
(Optional) */
-       u32             bytes_in_buffer;        /* Bytes In Buffer (Optional) */
-} idetape_read_position_result_t;
-
-/*
  *     Follows structures which are related to the SELECT SENSE / MODE SENSE
  *     packet commands. Those packet commands are still not supported
  *     by ide-tape.
@@ -2153,30 +2135,35 @@ static void idetape_wait_for_request (ide_drive_t 
*drive, struct request *rq)
        spin_lock_irq(&tape->spinlock);
 }
 
-static ide_startstop_t idetape_read_position_callback (ide_drive_t *drive)
+static ide_startstop_t idetape_read_position_callback(ide_drive_t *drive)
 {
        idetape_tape_t *tape = drive->driver_data;
-       idetape_read_position_result_t *result;
+       u8 *readpos = tape->pc->buffer;
 
        debug_log(DBG_PROCS, "Enter %s\n", __func__);
 
        if (!tape->pc->error) {
-               result = (idetape_read_position_result_t *) tape->pc->buffer;
-               debug_log(DBG_SENSE, "BOP - %s\n", result->bop ? "Yes" : "No");
-               debug_log(DBG_SENSE, "EOP - %s\n", result->eop ? "Yes" : "No");
+               debug_log(DBG_SENSE, "BOP - %s\n",
+                               !!(readpos[0] & 0x80) ? "Yes" : "No");
+               debug_log(DBG_SENSE, "EOP - %s\n",
+                               !!(readpos[0] & 0x40) ? "Yes" : "No");
+
+               if (!!(readpos[0] & 0x4)) {
+                       printk(KERN_INFO "ide-tape: Block location is unknown"
+                                       "to the tape\n");
 
-               if (result->bpu) {
-                       printk(KERN_INFO "ide-tape: Block location is unknown 
to the tape\n");
                        clear_bit(IDETAPE_ADDRESS_VALID, &tape->flags);
                        idetape_end_request(drive, 0, 0);
                } else {
                        debug_log(DBG_SENSE, "Block Location - %u\n",
-                                       ntohl(result->first_block));
-
-                       tape->partition = result->partition;
-                       tape->first_frame_position = ntohl(result->first_block);
-                       tape->last_frame_position = ntohl(result->last_block);
-                       tape->blocks_in_buffer = result->blocks_in_buffer[2];
+                                       be32_to_cpu(*(u32 *)&readpos[4]));
+
+                       tape->partition = readpos[1];
+                       tape->first_frame_position =
+                               be32_to_cpu(*(u32 *)&readpos[4]);
+                       tape->last_frame_position =
+                               be32_to_cpu(*(u32 *)&readpos[8]);
+                       tape->blocks_in_buffer = readpos[15];
                        set_bit(IDETAPE_ADDRESS_VALID, &tape->flags);
                        idetape_end_request(drive, 1, 0);
                }
-- 
1.5.3.7

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