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-rw-r--r--net/irda/ircomm/ircomm_tty.c14
-rw-r--r--net/irda/irlap_frame.c2
-rw-r--r--net/irda/irnet/irnet_ppp.c54
-rw-r--r--net/irda/irnet/irnet_ppp.h7
4 files changed, 41 insertions, 36 deletions
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
index 76c3057d017..e4e2caeb9d8 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -650,12 +650,7 @@ static void ircomm_tty_do_softint(struct work_struct *work)
}
/* Check if user (still) wants to be waken up */
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
- tty->ldisc.write_wakeup)
- {
- (tty->ldisc.write_wakeup)(tty);
- }
- wake_up_interruptible(&tty->write_wait);
+ tty_wakeup(tty);
}
/*
@@ -1141,6 +1136,7 @@ static int ircomm_tty_data_indication(void *instance, void *sap,
struct sk_buff *skb)
{
struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) instance;
+ struct tty_ldisc *ld;
IRDA_DEBUG(2, "%s()\n", __func__ );
@@ -1173,7 +1169,11 @@ static int ircomm_tty_data_indication(void *instance, void *sap,
* involve the flip buffers, since we are not running in an interrupt
* handler
*/
- self->tty->ldisc.receive_buf(self->tty, skb->data, NULL, skb->len);
+
+ ld = tty_ldisc_ref(self->tty);
+ if (ld)
+ ld->ops->receive_buf(self->tty, skb->data, NULL, skb->len);
+ tty_ldisc_deref(ld);
/* No need to kfree_skb - see ircomm_ttp_data_indication() */
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 90894534f3c..f17b65af9c9 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -1326,7 +1326,7 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
int command;
__u8 control;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto out;
/* FIXME: should we get our own field? */
diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c
index e84a70dd346..6d8ae03c14f 100644
--- a/net/irda/irnet/irnet_ppp.c
+++ b/net/irda/irnet/irnet_ppp.c
@@ -631,8 +631,8 @@ dev_irnet_poll(struct file * file,
* This is the way pppd configure us and control us while the PPP
* instance is active.
*/
-static int
-dev_irnet_ioctl(struct inode * inode,
+static long
+dev_irnet_ioctl(
struct file * file,
unsigned int cmd,
unsigned long arg)
@@ -663,6 +663,7 @@ dev_irnet_ioctl(struct inode * inode,
{
DEBUG(FS_INFO, "Entering PPP discipline.\n");
/* PPP channel setup (ap->chan in configued in dev_irnet_open())*/
+ lock_kernel();
err = ppp_register_channel(&ap->chan);
if(err == 0)
{
@@ -675,12 +676,14 @@ dev_irnet_ioctl(struct inode * inode,
}
else
DERROR(FS_ERROR, "Can't setup PPP channel...\n");
+ unlock_kernel();
}
else
{
/* In theory, should be N_TTY */
DEBUG(FS_INFO, "Exiting PPP discipline.\n");
/* Disconnect from the generic PPP layer */
+ lock_kernel();
if(ap->ppp_open)
{
ap->ppp_open = 0;
@@ -689,24 +692,20 @@ dev_irnet_ioctl(struct inode * inode,
else
DERROR(FS_ERROR, "Channel not registered !\n");
err = 0;
+ unlock_kernel();
}
break;
/* Query PPP channel and unit number */
case PPPIOCGCHAN:
- if(!ap->ppp_open)
- break;
- if(put_user(ppp_channel_index(&ap->chan), (int __user *)argp))
- break;
- DEBUG(FS_INFO, "Query channel.\n");
- err = 0;
+ if(ap->ppp_open && !put_user(ppp_channel_index(&ap->chan),
+ (int __user *)argp))
+ err = 0;
break;
case PPPIOCGUNIT:
- if(!ap->ppp_open)
- break;
- if(put_user(ppp_unit_number(&ap->chan), (int __user *)argp))
- break;
- DEBUG(FS_INFO, "Query unit number.\n");
+ lock_kernel();
+ if(ap->ppp_open && !put_user(ppp_unit_number(&ap->chan),
+ (int __user *)argp))
err = 0;
break;
@@ -726,34 +725,39 @@ dev_irnet_ioctl(struct inode * inode,
DEBUG(FS_INFO, "Standard PPP ioctl.\n");
if(!capable(CAP_NET_ADMIN))
err = -EPERM;
- else
+ else {
+ lock_kernel();
err = ppp_irnet_ioctl(&ap->chan, cmd, arg);
+ unlock_kernel();
+ }
break;
/* TTY IOCTLs : Pretend that we are a tty, to keep pppd happy */
/* Get termios */
case TCGETS:
DEBUG(FS_INFO, "Get termios.\n");
+ lock_kernel();
#ifndef TCGETS2
- if(kernel_termios_to_user_termios((struct termios __user *)argp, &ap->termios))
- break;
+ if(!kernel_termios_to_user_termios((struct termios __user *)argp, &ap->termios))
+ err = 0;
#else
if(kernel_termios_to_user_termios_1((struct termios __user *)argp, &ap->termios))
- break;
+ err = 0;
#endif
- err = 0;
+ unlock_kernel();
break;
/* Set termios */
case TCSETSF:
DEBUG(FS_INFO, "Set termios.\n");
+ lock_kernel();
#ifndef TCGETS2
- if(user_termios_to_kernel_termios(&ap->termios, (struct termios __user *)argp))
- break;
+ if(!user_termios_to_kernel_termios(&ap->termios, (struct termios __user *)argp))
+ err = 0;
#else
- if(user_termios_to_kernel_termios_1(&ap->termios, (struct termios __user *)argp))
- break;
+ if(!user_termios_to_kernel_termios_1(&ap->termios, (struct termios __user *)argp))
+ err = 0;
#endif
- err = 0;
+ unlock_kernel();
break;
/* Set DTR/RTS */
@@ -776,7 +780,9 @@ dev_irnet_ioctl(struct inode * inode,
* We should also worry that we don't accept junk here and that
* we get rid of our own buffers */
#ifdef FLUSH_TO_PPP
+ lock_kernel();
ppp_output_wakeup(&ap->chan);
+ unlock_kernel();
#endif /* FLUSH_TO_PPP */
err = 0;
break;
@@ -791,7 +797,7 @@ dev_irnet_ioctl(struct inode * inode,
default:
DERROR(FS_ERROR, "Unsupported ioctl (0x%X)\n", cmd);
- err = -ENOIOCTLCMD;
+ err = -ENOTTY;
}
DEXIT(FS_TRACE, " - err = 0x%X\n", err);
diff --git a/net/irda/irnet/irnet_ppp.h b/net/irda/irnet/irnet_ppp.h
index d2beb7df8f7..d9f8bd4ebd0 100644
--- a/net/irda/irnet/irnet_ppp.h
+++ b/net/irda/irnet/irnet_ppp.h
@@ -76,9 +76,8 @@ static ssize_t
static unsigned int
dev_irnet_poll(struct file *,
poll_table *);
-static int
- dev_irnet_ioctl(struct inode *,
- struct file *,
+static long
+ dev_irnet_ioctl(struct file *,
unsigned int,
unsigned long);
/* ------------------------ PPP INTERFACE ------------------------ */
@@ -102,7 +101,7 @@ static struct file_operations irnet_device_fops =
.read = dev_irnet_read,
.write = dev_irnet_write,
.poll = dev_irnet_poll,
- .ioctl = dev_irnet_ioctl,
+ .unlocked_ioctl = dev_irnet_ioctl,
.open = dev_irnet_open,
.release = dev_irnet_close
/* Also : llseek, readdir, mmap, flush, fsync, fasync, lock, readv, writev */
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-13 19:46:24 +0000