GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-24 07:31:41 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

tty: make receive_buf() return the amout of bytes received

Browse source 
it makes it simpler to keep track of the amount of
bytes received and simplifies how flush_to_ldisc counts
the remaining bytes. It also fixes a bug of lost bytes
on n_tty when flushing too many bytes via the USB
serial gadget driver.

Tested-by: Stefan Bigler <stefan.bigler@keymile.com>
Tested-by: Toby Gray <toby.gray@realvnc.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Felipe Balbi 2011-03-21 12:25:08 +02:00 • committed by Greg Kroah-Hartman
parent e9a470f445
commit b1c43f82c5
20 changed files with 125 additions and 113 deletions
Download patch file Download diff file Expand all files Collapse all files

10
drivers/tty/n_r3964.c
View file

@ -139,8 +139,8 @@ static int r3964_ioctl(struct tty_struct *tty, struct file *file,
static void r3964_set_termios(struct tty_struct *tty, struct ktermios *old);
static unsigned int r3964_poll(struct tty_struct *tty, struct file *file,
struct poll_table_struct *wait);
static void r3964_receive_buf(struct tty_struct *tty, const unsigned char *cp,
char *fp, int count);
static unsigned int r3964_receive_buf(struct tty_struct *tty,
const unsigned char *cp, char *fp, int count);
static struct tty_ldisc_ops tty_ldisc_N_R3964 = {
.owner = THIS_MODULE,
@ -1239,8 +1239,8 @@ static unsigned int r3964_poll(struct tty_struct *tty, struct file *file,
return result;
}
static void r3964_receive_buf(struct tty_struct *tty, const unsigned char *cp,
char *fp, int count)
static unsigned int r3964_receive_buf(struct tty_struct *tty,
const unsigned char *cp, char *fp, int count)
{
struct r3964_info *pInfo = tty->disc_data;
const unsigned char *p;
@ -1257,6 +1257,8 @@ static void r3964_receive_buf(struct tty_struct *tty, const unsigned char *cp,
}
}
return count;
}
MODULE_LICENSE("GPL");