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-rw-r--r--drivers/net/caif/caif_serial.c6
-rw-r--r--drivers/net/can/slcan.c9
-rw-r--r--drivers/net/hamradio/6pack.c8
-rw-r--r--drivers/net/hamradio/mkiss.c11
-rw-r--r--drivers/net/irda/irtty-sir.c16
-rw-r--r--drivers/net/ppp_async.c6
-rw-r--r--drivers/net/ppp_synctty.c6
-rw-r--r--drivers/net/slip.c11
-rw-r--r--drivers/net/wan/x25_asy.c7
9 files changed, 51 insertions, 29 deletions
diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
index 3df0c0f8b8b..73c7e03617e 100644
--- a/drivers/net/caif/caif_serial.c
+++ b/drivers/net/caif/caif_serial.c
@@ -167,8 +167,8 @@ static inline void debugfs_tx(struct ser_device *ser, const u8 *data, int size)
#endif
-static void ldisc_receive(struct tty_struct *tty, const u8 *data,
- char *flags, int count)
+static unsigned int ldisc_receive(struct tty_struct *tty,
+ const u8 *data, char *flags, int count)
{
struct sk_buff *skb = NULL;
struct ser_device *ser;
@@ -215,6 +215,8 @@ static void ldisc_receive(struct tty_struct *tty, const u8 *data,
} else
++ser->dev->stats.rx_dropped;
update_tty_status(ser);
+
+ return count;
}
static int handle_tx(struct ser_device *ser)
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index 1b49df6b247..75622d54581 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -425,16 +425,17 @@ static void slc_setup(struct net_device *dev)
* in parallel
*/
-static void slcan_receive_buf(struct tty_struct *tty,
+static unsigned int slcan_receive_buf(struct tty_struct *tty,
const unsigned char *cp, char *fp, int count)
{
struct slcan *sl = (struct slcan *) tty->disc_data;
+ int bytes = count;
if (!sl || sl->magic != SLCAN_MAGIC || !netif_running(sl->dev))
- return;
+ return -ENODEV;
/* Read the characters out of the buffer */
- while (count--) {
+ while (bytes--) {
if (fp && *fp++) {
if (!test_and_set_bit(SLF_ERROR, &sl->flags))
sl->dev->stats.rx_errors++;
@@ -443,6 +444,8 @@ static void slcan_receive_buf(struct tty_struct *tty,
}
slcan_unesc(sl, *cp++);
}
+
+ return count;
}
/************************************
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 3e5d0b6b651..992089639ea 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -456,7 +456,7 @@ out:
* a block of 6pack data has been received, which can now be decapsulated
* and sent on to some IP layer for further processing.
*/
-static void sixpack_receive_buf(struct tty_struct *tty,
+static unsigned int sixpack_receive_buf(struct tty_struct *tty,
const unsigned char *cp, char *fp, int count)
{
struct sixpack *sp;
@@ -464,11 +464,11 @@ static void sixpack_receive_buf(struct tty_struct *tty,
int count1;
if (!count)
- return;
+ return 0;
sp = sp_get(tty);
if (!sp)
- return;
+ return -ENODEV;
memcpy(buf, cp, count < sizeof(buf) ? count : sizeof(buf));
@@ -487,6 +487,8 @@ static void sixpack_receive_buf(struct tty_struct *tty,
sp_put(sp);
tty_unthrottle(tty);
+
+ return count1;
}
/*
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 4c628393c8b..0e4f2353114 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -923,13 +923,14 @@ static long mkiss_compat_ioctl(struct tty_struct *tty, struct file *file,
* a block of data has been received, which can now be decapsulated
* and sent on to the AX.25 layer for further processing.
*/
-static void mkiss_receive_buf(struct tty_struct *tty, const unsigned char *cp,
- char *fp, int count)
+static unsigned int mkiss_receive_buf(struct tty_struct *tty,
+ const unsigned char *cp, char *fp, int count)
{
struct mkiss *ax = mkiss_get(tty);
+ int bytes = count;
if (!ax)
- return;
+ return -ENODEV;
/*
* Argh! mtu change time! - costs us the packet part received
@@ -939,7 +940,7 @@ static void mkiss_receive_buf(struct tty_struct *tty, const unsigned char *cp,
ax_changedmtu(ax);
/* Read the characters out of the buffer */
- while (count--) {
+ while (bytes--) {
if (fp != NULL && *fp++) {
if (!test_and_set_bit(AXF_ERROR, &ax->flags))
ax->dev->stats.rx_errors++;
@@ -952,6 +953,8 @@ static void mkiss_receive_buf(struct tty_struct *tty, const unsigned char *cp,
mkiss_put(ax);
tty_unthrottle(tty);
+
+ return count;
}
/*
diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
index 3352b2443e5..035861d8acb 100644
--- a/drivers/net/irda/irtty-sir.c
+++ b/drivers/net/irda/irtty-sir.c
@@ -216,23 +216,23 @@ static int irtty_do_write(struct sir_dev *dev, const unsigned char *ptr, size_t
* usbserial: urb-complete-interrupt / softint
*/
-static void irtty_receive_buf(struct tty_struct *tty, const unsigned char *cp,
- char *fp, int count)
+static unsigned int irtty_receive_buf(struct tty_struct *tty,
+ const unsigned char *cp, char *fp, int count)
{
struct sir_dev *dev;
struct sirtty_cb *priv = tty->disc_data;
int i;
- IRDA_ASSERT(priv != NULL, return;);
- IRDA_ASSERT(priv->magic == IRTTY_MAGIC, return;);
+ IRDA_ASSERT(priv != NULL, return -ENODEV;);
+ IRDA_ASSERT(priv->magic == IRTTY_MAGIC, return -EINVAL;);
if (unlikely(count==0)) /* yes, this happens */
- return;
+ return 0;
dev = priv->dev;
if (!dev) {
IRDA_WARNING("%s(), not ready yet!\n", __func__);
- return;
+ return -ENODEV;
}
for (i = 0; i < count; i++) {
@@ -242,11 +242,13 @@ static void irtty_receive_buf(struct tty_struct *tty, const unsigned char *cp,
if (fp && *fp++) {
IRDA_DEBUG(0, "Framing or parity error!\n");
sirdev_receive(dev, NULL, 0); /* notify sir_dev (updating stats) */
- return;
+ return -EINVAL;
}
}
sirdev_receive(dev, cp, count);
+
+ return count;
}
/*
diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index a1b82c9c67d..53872d7d738 100644
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -340,7 +340,7 @@ ppp_asynctty_poll(struct tty_struct *tty, struct file *file, poll_table *wait)
}
/* May sleep, don't call from interrupt level or with interrupts disabled */
-static void
+static unsigned int
ppp_asynctty_receive(struct tty_struct *tty, const unsigned char *buf,
char *cflags, int count)
{
@@ -348,7 +348,7 @@ ppp_asynctty_receive(struct tty_struct *tty, const unsigned char *buf,
unsigned long flags;
if (!ap)
- return;
+ return -ENODEV;
spin_lock_irqsave(&ap->recv_lock, flags);
ppp_async_input(ap, buf, cflags, count);
spin_unlock_irqrestore(&ap->recv_lock, flags);
@@ -356,6 +356,8 @@ ppp_asynctty_receive(struct tty_struct *tty, const unsigned char *buf,
tasklet_schedule(&ap->tsk);
ap_put(ap);
tty_unthrottle(tty);
+
+ return count;
}
static void
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index 2573f525f11..0815790a5cf 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -381,7 +381,7 @@ ppp_sync_poll(struct tty_struct *tty, struct file *file, poll_table *wait)
}
/* May sleep, don't call from interrupt level or with interrupts disabled */
-static void
+static unsigned int
ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf,
char *cflags, int count)
{
@@ -389,7 +389,7 @@ ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf,
unsigned long flags;
if (!ap)
- return;
+ return -ENODEV;
spin_lock_irqsave(&ap->recv_lock, flags);
ppp_sync_input(ap, buf, cflags, count);
spin_unlock_irqrestore(&ap->recv_lock, flags);
@@ -397,6 +397,8 @@ ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf,
tasklet_schedule(&ap->tsk);
sp_put(ap);
tty_unthrottle(tty);
+
+ return count;
}
static void
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index 8ec1a9a0bb9..584809c656d 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -670,16 +670,17 @@ static void sl_setup(struct net_device *dev)
* in parallel
*/
-static void slip_receive_buf(struct tty_struct *tty, const unsigned char *cp,
- char *fp, int count)
+static unsigned int slip_receive_buf(struct tty_struct *tty,
+ const unsigned char *cp, char *fp, int count)
{
struct slip *sl = tty->disc_data;
+ int bytes = count;
if (!sl || sl->magic != SLIP_MAGIC || !netif_running(sl->dev))
- return;
+ return -ENODEV;
/* Read the characters out of the buffer */
- while (count--) {
+ while (bytes--) {
if (fp && *fp++) {
if (!test_and_set_bit(SLF_ERROR, &sl->flags))
sl->dev->stats.rx_errors++;
@@ -693,6 +694,8 @@ static void slip_receive_buf(struct tty_struct *tty, const unsigned char *cp,
#endif
slip_unesc(sl, *cp++);
}
+
+ return count;
}
/************************************
diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
index 24297b274cd..40398bf7d03 100644
--- a/drivers/net/wan/x25_asy.c
+++ b/drivers/net/wan/x25_asy.c
@@ -517,17 +517,18 @@ static int x25_asy_close(struct net_device *dev)
* and sent on to some IP layer for further processing.
*/
-static void x25_asy_receive_buf(struct tty_struct *tty,
+static unsigned int x25_asy_receive_buf(struct tty_struct *tty,
const unsigned char *cp, char *fp, int count)
{
struct x25_asy *sl = tty->disc_data;
+ int bytes = count;
if (!sl || sl->magic != X25_ASY_MAGIC || !netif_running(sl->dev))
return;
/* Read the characters out of the buffer */
- while (count--) {
+ while (bytes--) {
if (fp && *fp++) {
if (!test_and_set_bit(SLF_ERROR, &sl->flags))
sl->dev->stats.rx_errors++;
@@ -536,6 +537,8 @@ static void x25_asy_receive_buf(struct tty_struct *tty,
}
x25_asy_unesc(sl, *cp++);
}
+
+ return count;
}
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 03:41:13 +0000