[PATCH] media: dvb-usb-remote: fix dvb_usb_nec_rc_key_to_event type mismatch

From: Arnd Bergmann
Date: Mon Mar 22 2021 - 12:47:19 EST


From: Arnd Bergmann <arnd@xxxxxxxx>

gcc-11 warns about the prototype not exactly matching the function
definition:

drivers/media/usb/dvb-usb/dvb-usb-remote.c:363:20: error: argument 2 of type ‘u8[5]’ {aka ‘unsigned char[5]’} with mismatched bound [-Werror=array-parameter=]
363 | u8 keybuf[5], u32 *event, int *state)
| ~~~^~~~~~~~~
In file included from drivers/media/usb/dvb-usb/dvb-usb-common.h:13,
from drivers/media/usb/dvb-usb/dvb-usb-remote.c:9:
drivers/media/usb/dvb-usb/dvb-usb.h:490:65: note: previously declared as ‘u8[]’ {aka ‘unsigned char[]’}
490 | extern int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *, u8[], u32 *, int *);
| ^~~~

Fixes: 776338e121b9 ("[PATCH] dvb: Add generalized dvb-usb driver")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
drivers/media/usb/dvb-usb/dvb-usb.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h
index 52407fc28c03..42f4d2fece8b 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb.h
+++ b/drivers/media/usb/dvb-usb/dvb-usb.h
@@ -487,7 +487,7 @@ 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 *);
+extern int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *, u8[5], u32 *, int *);

/* commonly used firmware download types and function */
struct hexline {
--
2.29.2