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staging: comedi: ni_usb6501: cleanup response_size

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Cleanup response_size in ni6501_send_command (READ_PORT command).
No logical/functional change is introduced by this patch.

Signed-off-by: Luca Ellero <luca.ellero@brickedbrain.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luca Ellero
2014-09-19 13:50:36 +02:00
committed by Greg Kroah-Hartman
parent ddf9b6a4a0
commit 88367bd588
1 changed files with 1 additions and 2 deletions
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3
drivers/staging/comedi/drivers/ni_usb6501.c
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@@ -193,8 +193,7 @@ static int ni6501_send_command(struct comedi_device *dev, int command,
case READ_PORT:
request_size = sizeof(READ_PORT_REQUEST);
/* 4 additional bytes for READ_PORT request */
response_size = sizeof(GENERIC_RESPONSE) + 4;
response_size = sizeof(READ_PORT_RESPONSE);
memcpy(tx, READ_PORT_REQUEST, request_size);