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USB: serial: mos7840: remove unused write URB

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Remove code to manage a write URB that was never allocated.

Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2017-01-03 16:39:56 +01:00
parent 5c75633ef7
commit fc43e651bf
1 changed files with 0 additions and 8 deletions
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8
drivers/usb/serial/mos7840.c
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@ -214,7 +214,6 @@ MODULE_DEVICE_TABLE(usb, id_table);
struct moschip_port { struct moschip_port {
int port_num; /*Actual port number in the device(1,2,etc) */ int port_num; /*Actual port number in the device(1,2,etc) */
struct urb *write_urb; /* write URB for this port */
struct urb *read_urb; /* read URB for this port */ struct urb *read_urb; /* read URB for this port */
__u8 shadowLCR; /* last LCR value received */ __u8 shadowLCR; /* last LCR value received */
__u8 shadowMCR; /* last MCR value received */ __u8 shadowMCR; /* last MCR value received */
@ -1186,7 +1185,6 @@ static void mos7840_close(struct usb_serial_port *port)
} }
} }
usb_kill_urb(mos7840_port->write_urb);
usb_kill_urb(mos7840_port->read_urb); usb_kill_urb(mos7840_port->read_urb);
mos7840_port->read_urb_busy = false; mos7840_port->read_urb_busy = false;
@ -1199,12 +1197,6 @@ static void mos7840_close(struct usb_serial_port *port)
} }
} }
if (mos7840_port->write_urb) {
/* if this urb had a transfer buffer already (old tx) free it */
kfree(mos7840_port->write_urb->transfer_buffer);
usb_free_urb(mos7840_port->write_urb);
}
Data = 0x0; Data = 0x0;
mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, Data); mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, Data);