ide-tape: remove struct idetape_mode_parameter_header_t

Bart:
- remove 'capabilities->speed' chunk
- re-add brackets to block_descrp assignment

Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 13 insertions, 24 deletions

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index a7670fbd470d..ee92ff1fb745 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -748,16 +748,6 @@ typedef struct {
 #define IDETAPE_BUFFER_FILLING_PAGE     0x33
 
 /*
- *      Mode Parameter Header for the MODE SENSE packet command
- */
-typedef struct {
-        __u8    mode_data_length;       /* Length of the following data transfer */
-        __u8    medium_type;            /* Medium Type */
-        __u8    dsp;                    /* Device Specific Parameter */
-        __u8    bdl;                    /* Block Descriptor Length */
-} idetape_mode_parameter_header_t;
-
-/*
  *      Mode Parameter Block Descriptor the MODE SENSE packet command
  *
  *      Support for block descriptors is optional.
@@ -3914,9 +3904,8 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive)
 {
         idetape_tape_t *tape = drive->driver_data;
         idetape_pc_t pc;
-        idetape_mode_parameter_header_t *header;
         idetape_capabilities_page_t *capabilities;
-        
+
         idetape_create_mode_sense_cmd(&pc, IDETAPE_CAPABILITIES_PAGE);
         if (idetape_queue_pc_tail(drive, &pc)) {
                 printk(KERN_ERR "ide-tape: Can't get tape parameters - assuming some default values\n");
@@ -3926,8 +3915,8 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive)
                 tape->capabilities.buffer_size = 6 * 52;
                 return;
         }
-        header = (idetape_mode_parameter_header_t *) pc.buffer;
-        capabilities = (idetape_capabilities_page_t *) (pc.buffer + sizeof(idetape_mode_parameter_header_t) + header->bdl);
+        capabilities = (idetape_capabilities_page_t *)
+                (pc.buffer + 4 + pc.buffer[3]);
 
         capabilities->max_speed = ntohs(capabilities->max_speed);
         capabilities->ctl = ntohs(capabilities->ctl);
@@ -3952,11 +3941,13 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive)
 #if IDETAPE_DEBUG_INFO
         printk(KERN_INFO "ide-tape: Dumping the results of the MODE SENSE packet command\n");
         printk(KERN_INFO "ide-tape: Mode Parameter Header:\n");
-        printk(KERN_INFO "ide-tape: Mode Data Length - %d\n",header->mode_data_length);
-        printk(KERN_INFO "ide-tape: Medium Type - %d\n",header->medium_type);
-        printk(KERN_INFO "ide-tape: Device Specific Parameter - %d\n",header->dsp);
-        printk(KERN_INFO "ide-tape: Block Descriptor Length - %d\n",header->bdl);
-        
+        printk(KERN_INFO "ide-tape: Mode Data Length - %d\n", pc.buffer[0]);
+        printk(KERN_INFO "ide-tape: Medium Type - %d\n", pc.buffer[1]);
+        printk(KERN_INFO "ide-tape: Device Specific Parameter - %d\n",
+                        pc.buffer[2]);
+        printk(KERN_INFO "ide-tape: Block Descriptor Length - %d\n",
+                        pc.buffer[3]);
+
         printk(KERN_INFO "ide-tape: Capabilities and Mechanical Status Page:\n");
         printk(KERN_INFO "ide-tape: Page code - %d\n",capabilities->page_code);
         printk(KERN_INFO "ide-tape: Page length - %d\n",capabilities->page_length);
@@ -3989,9 +3980,8 @@ static void idetape_get_blocksize_from_block_descriptor(ide_drive_t *drive)
 
         idetape_tape_t *tape = drive->driver_data;
         idetape_pc_t pc;
-        idetape_mode_parameter_header_t *header;
         idetape_parameter_block_descriptor_t *block_descrp;
-        
+
         idetape_create_mode_sense_cmd(&pc, IDETAPE_BLOCK_DESCRIPTOR);
         if (idetape_queue_pc_tail(drive, &pc)) {
                 printk(KERN_ERR "ide-tape: Can't get block descriptor\n");
@@ -4001,10 +3991,9 @@ static void idetape_get_blocksize_from_block_descriptor(ide_drive_t *drive)
                 }
                 return;
         }
-        header = (idetape_mode_parameter_header_t *) pc.buffer;
-        block_descrp = (idetape_parameter_block_descriptor_t *) (pc.buffer + sizeof(idetape_mode_parameter_header_t));
+        block_descrp = (idetape_parameter_block_descriptor_t *)(pc.buffer + 4);
         tape->tape_block_size =( block_descrp->length[0]<<16) + (block_descrp->length[1]<<8) + block_descrp->length[2];
-        tape->drv_write_prot = (header->dsp & 0x80) >> 7;
+        tape->drv_write_prot = (pc.buffer[2] & 0x80) >> 7;
 
 #if IDETAPE_DEBUG_INFO
         printk(KERN_INFO "ide-tape: Adjusted block size - %d\n", tape->tape_block_size);