[PATCH 3/9] staging: comedi: ni_usb6501: fix response_size

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Fix response_size in ni6501_send_command (READ_PORT command)

Signed-off-by: Luca Ellero <luca.ellero@xxxxxxxxxxxxxxxx>
---
 drivers/staging/comedi/drivers/ni_usb6501.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ni_usb6501.c b/drivers/staging/comedi/drivers/ni_usb6501.c
index c99b693..91c0e22 100644
--- a/drivers/staging/comedi/drivers/ni_usb6501.c
+++ b/drivers/staging/comedi/drivers/ni_usb6501.c
@@ -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);
 
-- 
1.7.10.4

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