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Subject[PATCH 04/24] ide-tape: remove pipeline-specific code from idetape_chrdev_write
Date
From
Also, remove unused stage-parameter from idetape_copy_stage_from_user()

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
---
drivers/ide/ide-tape.c | 15 ++++-----------
1 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index e919d41..4a064c1 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1700,7 +1700,7 @@ static idetape_stage_t *idetape_kmalloc_stage(idetape_tape_t *tape)
}

static int idetape_copy_stage_from_user(idetape_tape_t *tape,
- idetape_stage_t *stage, const char __user *buf, int n)
+ const char __user *buf, int n)
{
struct idetape_bh *bh = tape->bh;
int count;
@@ -2696,8 +2696,6 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,

/* Initialize write operation */
if (tape->chrdev_dir != IDETAPE_DIR_WRITE) {
- if (tape->chrdev_dir == IDETAPE_DIR_READ)
- idetape_discard_read_pipeline(drive, 1);
if (tape->merge_stage || tape->merge_stage_size) {
printk(KERN_ERR "ide-tape: merge_stage_size "
"should be 0 now\n");
@@ -2729,8 +2727,6 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
}
if (count == 0)
return (0);
- if (tape->restart_speed_control_req)
- idetape_restart_speed_control(drive);
if (tape->merge_stage_size) {
if (tape->merge_stage_size >= tape->stage_size) {
printk(KERN_ERR "ide-tape: bug: merge buf too big\n");
@@ -2739,8 +2735,7 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
actually_written = min((unsigned int)
(tape->stage_size - tape->merge_stage_size),
(unsigned int)count);
- if (idetape_copy_stage_from_user(tape, tape->merge_stage, buf,
- actually_written))
+ if (idetape_copy_stage_from_user(tape, buf, actually_written))
ret = -EFAULT;
buf += actually_written;
tape->merge_stage_size += actually_written;
@@ -2756,8 +2751,7 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
}
while (count >= tape->stage_size) {
ssize_t retval;
- if (idetape_copy_stage_from_user(tape, tape->merge_stage, buf,
- tape->stage_size))
+ if (idetape_copy_stage_from_user(tape, buf, tape->stage_size))
ret = -EFAULT;
buf += tape->stage_size;
count -= tape->stage_size;
@@ -2768,8 +2762,7 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
}
if (count) {
actually_written += count;
- if (idetape_copy_stage_from_user(tape, tape->merge_stage, buf,
- count))
+ if (idetape_copy_stage_from_user(tape, buf, count))
ret = -EFAULT;
tape->merge_stage_size += count;
}
--
1.5.4.1


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