Fix response_size in ni6501_send_command (READ_PORT command)
Signed-off-by: Luca Ellero <[email protected]>
---
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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