Signed-off-by: Borislav Petkov <bbpetkov@xxxxxxxx>
---
drivers/ide/ide-tape.c | 40 +++++++++++++++-------------------------
1 files changed, 15 insertions(+), 25 deletions(-)
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 173ac0d..0542b07 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.
@@ -3916,9 +3906,8 @@ 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");
@@ -3928,8 +3917,8 @@ 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);
@@ -3954,11 +3943,13 @@ 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);
@@ -3977,7 +3968,8 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive)
printk(KERN_INFO "ide-tape: Supports 32768 bytes block size / Restricted byte count for PIO transfers - %s\n",capabilities->blk32768 ? "Yes":"No");
printk(KERN_INFO "ide-tape: Maximum supported speed in KBps - %d\n",capabilities->max_speed);
printk(KERN_INFO "ide-tape: Continuous transfer limits in blocks - %d\n",capabilities->ctl);
- printk(KERN_INFO "ide-tape: Current speed in KBps - %d\n",capabilities->speed);
+ printk(KERN_INFO "ide-tape: Current speed in KBps - %d\n",
+ capabilities->speed);
printk(KERN_INFO "ide-tape: Buffer size - %d\n",capabilities->buffer_size*512);
#endif /* IDETAPE_DEBUG_INFO */
}
@@ -3991,9 +3983,8 @@ 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");
@@ -4003,10 +3994,9 @@ 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);
--
1.5.3.7
-
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