Replace deprecated interruptible_sleep_on_timeout() function calls
with direct wait-queue usage. There may be an existing problem with this driver,
as I am not finding any wake_up_interruptible() callers for the waitq.
Patch is compile-tested.
Signed-off-by: Nishanth Aravamudan <[email protected]>
Signed-off-by: Domen Puncer <[email protected]>
---
kj-domen/drivers/char/lp.c | 16 +++++++++++-----
1 files changed, 11 insertions(+), 5 deletions(-)
diff -puN drivers/char/lp.c~int_sleep_on-drivers_char_lp drivers/char/lp.c
--- kj/drivers/char/lp.c~int_sleep_on-drivers_char_lp 2005-03-05 16:12:05.000000000 +0100
+++ kj-domen/drivers/char/lp.c 2005-03-05 16:12:05.000000000 +0100
@@ -127,6 +127,7 @@
#include <linux/poll.h>
#include <linux/console.h>
#include <linux/device.h>
+#include <linux/wait.h>
#include <linux/parport.h>
#undef LP_STATS
@@ -218,6 +219,7 @@ static int lp_reset(int minor)
static void lp_error (int minor)
{
+ DEFINE_WAIT(wait);
int polling;
if (LP_F(minor) & LP_ABORT)
@@ -225,8 +227,9 @@ static void lp_error (int minor)
polling = lp_table[minor].dev->port->irq == PARPORT_IRQ_NONE;
if (polling) lp_release_parport (&lp_table[minor]);
- interruptible_sleep_on_timeout (&lp_table[minor].waitq,
- LP_TIMEOUT_POLLED);
+ prepare_to_wait(&lp_table[minor].waitq, &wait, TASK_INTERRUPTIBLE);
+ schedule_timeout(LP_TIMEOUT_POLLED);
+ finish_wait(&lp_table[minor].waitq, &wait);
if (polling) lp_claim_parport_or_block (&lp_table[minor]);
else parport_yield_blocking (lp_table[minor].dev);
}
@@ -410,6 +413,7 @@ static ssize_t lp_write(struct file * fi
static ssize_t lp_read(struct file * file, char __user * buf,
size_t count, loff_t *ppos)
{
+ DEFINE_WAIT(wait);
unsigned int minor=iminor(file->f_dentry->d_inode);
struct parport *port = lp_table[minor].dev->port;
ssize_t retval = 0;
@@ -458,9 +462,11 @@ static ssize_t lp_read(struct file * fil
retval = -EIO;
goto out;
}
- } else
- interruptible_sleep_on_timeout (&lp_table[minor].waitq,
- LP_TIMEOUT_POLLED);
+ } else {
+ prepare_to_wait(&lp_table[minor].waitq, &wait, TASK_INTERRUPTIBLE);
+ schedule_timeout(LP_TIMEOUT_POLLED);
+ finish_wait(&lp_table[minor].waitq, &wait);
+ }
if (signal_pending (current)) {
retval = -ERESTARTSYS;
_