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path: root/drivers/char/rocket.c
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Diffstat (limited to 'drivers/char/rocket.c')
-rw-r--r--drivers/char/rocket.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 56cbba7b6ec0..d790b08525b4 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -84,6 +84,7 @@
#include <linux/mutex.h>
#include <linux/ioport.h>
#include <linux/delay.h>
+#include <linux/completion.h>
#include <linux/wait.h>
#include <linux/pci.h>
#include <asm/uaccess.h>
@@ -650,7 +651,7 @@ static void init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev)
info->closing_wait = 3000;
info->close_delay = 50;
init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
+ init_completion(&info->close_wait);
info->flags &= ~ROCKET_MODE_MASK;
switch (pc104[board][line]) {
case 422:
@@ -878,7 +879,8 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
if (tty_hung_up_p(filp))
return ((info->flags & ROCKET_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS);
if (info->flags & ROCKET_CLOSING) {
- interruptible_sleep_on(&info->close_wait);
+ if (wait_for_completion_interruptible(&info->close_wait))
+ return -ERESTARTSYS;
return ((info->flags & ROCKET_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS);
}
@@ -983,8 +985,10 @@ static int rp_open(struct tty_struct *tty, struct file *filp)
return -ENOMEM;
if (info->flags & ROCKET_CLOSING) {
- interruptible_sleep_on(&info->close_wait);
+ retval = wait_for_completion_interruptible(&info->close_wait);
free_page(page);
+ if (retval)
+ return retval;
return ((info->flags & ROCKET_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS);
}
@@ -1176,7 +1180,7 @@ static void rp_close(struct tty_struct *tty, struct file *filp)
}
info->flags &= ~(ROCKET_INITIALIZED | ROCKET_CLOSING | ROCKET_NORMAL_ACTIVE);
tty->closing = 0;
- wake_up_interruptible(&info->close_wait);
+ complete_all(&info->close_wait);
atomic_dec(&rp_num_ports_open);
#ifdef ROCKET_DEBUG_OPEN