Mirrors_Framework/ethercat
1
0
Fork 0
mirror of https://gitlab.com/etherlab.org/ethercat.git synced 2026-02-07 04:11:50 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

TTY open and close.

Browse Source
This commit is contained in:
Florian Pose
2009-12-01 22:16:50 +01:00
parent e5bcaeefcd
commit efb02691c1
1 changed files with 17 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
tty/module.c
View File

@@ -187,14 +187,29 @@ void ec_tty_clear(ec_tty_t *tty)
static int ec_tty_open(struct tty_struct *tty, struct file *file)
{
return -EBUSY;
ec_tty_t *t;
int line = tty->index;
printk(KERN_INFO PFX "Opening line %i.\n", line);
if (line < 0 || line >= EC_TTY_MAX_DEVICES) {
return -ENXIO;
}
t = ttys[line];
if (!t) {
return -ENXIO;
}
tty->driver_data = t;
return 0;
}
/*****************************************************************************/
static void ec_tty_close(struct tty_struct *tty, struct file *file)
{
return;
printk(KERN_INFO PFX "Closing line %i.\n", tty->index);
}
/*****************************************************************************/