the return values for dvb_usb_generic_rw() and dvb_usb_generic_write()
should be checked, as otherwise the drivers won't be doing the right
thing in the case of errors.

So, add __must_check to both declarations.

Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
---
 drivers/media/usb/dvb-usb/dvb-usb.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h 
b/drivers/media/usb/dvb-usb/dvb-usb.h
index 639c4678c65b..1448c3d27ea2 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb.h
+++ b/drivers/media/usb/dvb-usb/dvb-usb.h
@@ -462,8 +462,10 @@ extern int dvb_usb_device_init(struct usb_interface *,
 extern void dvb_usb_device_exit(struct usb_interface *);
 
 /* the generic read/write method for device control */
-extern int dvb_usb_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, 
u16,int);
-extern int dvb_usb_generic_write(struct dvb_usb_device *, u8 *, u16);
+extern int __must_check
+dvb_usb_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16, int);
+extern int __must_check
+dvb_usb_generic_write(struct dvb_usb_device *, u8 *, u16);
 
 /* commonly used remote control parsing */
 extern int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *, u8[], u32 *, 
int *);
-- 
2.7.4


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