USB: ssu100: fix overrun-error reporting
Fix reporting of overrun errors, which should only be reported once
using the inserted null character.
Fixes: 6b8f1ca558
("USB: ssu100: set tty_flags in ssu100_process_packet")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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parent
855515a6d3
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@ -490,10 +490,9 @@ static void ssu100_update_lsr(struct usb_serial_port *port, u8 lsr,
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if (*tty_flag == TTY_NORMAL)
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*tty_flag = TTY_FRAME;
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}
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if (lsr & UART_LSR_OE){
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if (lsr & UART_LSR_OE) {
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port->icount.overrun++;
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if (*tty_flag == TTY_NORMAL)
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*tty_flag = TTY_OVERRUN;
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tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
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}
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}
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@ -511,12 +510,8 @@ static void ssu100_process_read_urb(struct urb *urb)
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if ((len >= 4) &&
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(packet[0] == 0x1b) && (packet[1] == 0x1b) &&
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((packet[2] == 0x00) || (packet[2] == 0x01))) {
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if (packet[2] == 0x00) {
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if (packet[2] == 0x00)
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ssu100_update_lsr(port, packet[3], &flag);
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if (flag == TTY_OVERRUN)
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tty_insert_flip_char(&port->port, 0,
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TTY_OVERRUN);
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}
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if (packet[2] == 0x01)
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ssu100_update_msr(port, packet[3]);
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