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tty: replace ->proc_fops with ->proc_show

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Just set up the show callback in the tty_operations, and use
proc_create_single_data to create the file without additional
boilerplace code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2018-04-13 21:04:45 +02:00
parent ec7d9c9ce8
commit 8a8dcabffb
14 changed files with 16 additions and 172 deletions
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15
drivers/usb/serial/usb-serial.c
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@@ -476,19 +476,6 @@ static int serial_proc_show(struct seq_file *m, void *v)
return 0;
}
static int serial_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, serial_proc_show, NULL);
}
static const struct file_operations serial_proc_fops = {
.owner = THIS_MODULE,
.open = serial_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int serial_tiocmget(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
@@ -1192,7 +1179,7 @@ static const struct tty_operations serial_ops = {
.get_icount = serial_get_icount,
.cleanup = serial_cleanup,
.install = serial_install,
.proc_fops = &serial_proc_fops,
.proc_show = serial_proc_show,
};