diff options
Diffstat (limited to 'drivers/char/stallion.c')
| -rw-r--r-- | drivers/char/stallion.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 0243efb0be95..19db1eb87c26 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -1025,7 +1025,7 @@ static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count /*****************************************************************************/ -static void stl_putchar(struct tty_struct *tty, unsigned char ch) +static int stl_putchar(struct tty_struct *tty, unsigned char ch) { struct stlport *portp; unsigned int len; @@ -1034,12 +1034,12 @@ static void stl_putchar(struct tty_struct *tty, unsigned char ch) pr_debug("stl_putchar(tty=%p,ch=%x)\n", tty, ch); if (tty == NULL) - return; + return -EINVAL; portp = tty->driver_data; if (portp == NULL) - return; + return -EINVAL; if (portp->tx.buf == NULL) - return; + return -EINVAL; head = portp->tx.head; tail = portp->tx.tail; @@ -1053,6 +1053,7 @@ static void stl_putchar(struct tty_struct *tty, unsigned char ch) head = portp->tx.buf; } portp->tx.head = head; + return 0; } /*****************************************************************************/ @@ -1255,7 +1256,6 @@ static int stl_tiocmset(struct tty_struct *tty, struct file *file, static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { struct stlport *portp; - unsigned int ival; int rc; void __user *argp = (void __user *)arg; @@ -1460,19 +1460,20 @@ static void stl_hangup(struct tty_struct *tty) /*****************************************************************************/ -static void stl_breakctl(struct tty_struct *tty, int state) +static int stl_breakctl(struct tty_struct *tty, int state) { struct stlport *portp; pr_debug("stl_breakctl(tty=%p,state=%d)\n", tty, state); if (tty == NULL) - return; + return -EINVAL; portp = tty->driver_data; if (portp == NULL) - return; + return -EINVAL; stl_sendbreak(portp, ((state == -1) ? 1 : 2)); + return 0; } /*****************************************************************************/ @@ -4753,8 +4754,8 @@ static int __init stallion_module_init(void) if (IS_ERR(stallion_class)) printk("STALLION: failed to create class\n"); for (i = 0; i < 4; i++) - device_create(stallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i), - "staliomem%d", i); + device_create_drvdata(stallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i), + NULL, "staliomem%d", i); return 0; err_unrtty: |