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author | Johan Hovold <johan@kernel.org> | 2017-01-03 16:39:56 +0100 |
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committer | Johan Hovold <johan@kernel.org> | 2017-01-04 10:37:20 +0100 |
commit | fc43e651bf39ef174a86fde4c4593f796b1474c1 (patch) | |
tree | e87c13ec67516c6acfe629cffbdf5d4458fb6da6 /drivers | |
parent | USB: serial: mos7840: fix NULL-deref at open (diff) | |
download | linux-fc43e651bf39ef174a86fde4c4593f796b1474c1.tar.xz linux-fc43e651bf39ef174a86fde4c4593f796b1474c1.zip |
USB: serial: mos7840: remove unused write URB
Remove code to manage a write URB that was never allocated.
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/usb/serial/mos7840.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index bb933c6321e5..c03cd511669a 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -214,7 +214,6 @@ MODULE_DEVICE_TABLE(usb, id_table); struct moschip_port { 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 */ __u8 shadowLCR; /* last LCR 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); 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; mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, Data); |