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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/drivers/usb/serial/iuu_phoenix.c
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@@ -158,7 +158,6 @@
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 static void iuu_rxcmd(struct urb *urb)
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 {
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 	struct usb_serial_port *port = urb->context;
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-	int result;
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 	int status = urb->status;
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 	if (status) {
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@@ -174,7 +173,7 @@
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 					  port->bulk_out_endpointAddress),
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 			  port->write_urb->transfer_buffer, 1,
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 			  read_rxcmd_callback, port);
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-	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
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+	usb_submit_urb(port->write_urb, GFP_ATOMIC);
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 }
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 static int iuu_reset(struct usb_serial_port *port, u8 wt)
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@@ -241,7 +240,6 @@
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 static void iuu_status_callback(struct urb *urb)
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 {
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 	struct usb_serial_port *port = urb->context;
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-	int result;
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 	int status = urb->status;
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 	dev_dbg(&port->dev, "%s - status = %d\n", __func__, status);
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@@ -250,7 +248,7 @@
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 					  port->bulk_in_endpointAddress),
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 			  port->read_urb->transfer_buffer, 256,
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 			  iuu_update_status_callback, port);
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-	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
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+	usb_submit_urb(port->read_urb, GFP_ATOMIC);
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 }
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 static int iuu_status(struct usb_serial_port *port)
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@@ -351,7 +349,6 @@
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 static void iuu_led_activity_on(struct urb *urb)
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 {
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 	struct usb_serial_port *port = urb->context;
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-	int result;
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 	char *buf_ptr = port->write_urb->transfer_buffer;
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 	if (xmas) {
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@@ -367,13 +364,12 @@
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 					  port->bulk_out_endpointAddress),
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 			  port->write_urb->transfer_buffer, 8 ,
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 			  iuu_rxcmd, port);
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-	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
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+	usb_submit_urb(port->write_urb, GFP_ATOMIC);
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 }
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 static void iuu_led_activity_off(struct urb *urb)
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 {
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 	struct usb_serial_port *port = urb->context;
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-	int result;
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 	char *buf_ptr = port->write_urb->transfer_buffer;
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 	if (xmas) {
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@@ -388,7 +384,7 @@
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 					  port->bulk_out_endpointAddress),
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 			  port->write_urb->transfer_buffer, 8 ,
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 			  iuu_rxcmd, port);
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-	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
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+	usb_submit_urb(port->write_urb, GFP_ATOMIC);
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 }
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@@ -956,9 +952,7 @@
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 static void iuu_init_termios(struct tty_struct *tty)
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 {
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-	tty->termios = tty_std_termios;
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-	tty->termios.c_cflag = CLOCAL | CREAD | CS8 | B9600
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-				| TIOCM_CTS | CSTOPB | PARENB;
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+	tty->termios.c_cflag = B9600 | CS8 | CSTOPB | CREAD | PARENB | CLOCAL;
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 	tty->termios.c_ispeed = 9600;
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 	tty->termios.c_ospeed = 9600;
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 	tty->termios.c_lflag = 0;