USB: oti6858: fix TCFLSH ioctl handling
Removes unimplemented TCFLSH handling from oti6858, because it was preventing TCFLSH handling by upper layer (line discipline) drivers (see drivers/char/tty_io.c line 3450). Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -814,10 +814,6 @@ static int oti6858_ioctl(struct usb_serial_port *port, struct file *file,
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__FUNCTION__, port->number, cmd, arg);
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switch (cmd) {
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case TCFLSH:
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/* FIXME */
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return 0;
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case TIOCMBIS:
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if (copy_from_user(&x, user_arg, sizeof(x)))
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return -EFAULT;
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