On Sat, Mar 21, 2020 at 03:41:03PM +0100, Philippe Mathieu-Daudé wrote:
> Since commit 5a1f49718 the 'olen' variable is not really
> used. Remove it to fix a warning reported by Clang static
> code analyzer:
>
> CC hw/input/adb-kbd.o
> hw/input/adb-kbd.c:200:5: warning: Value stored to 'olen' is never read
> olen = 0;
> ^ ~
>
> Fixes: 5a1f49718 (adb: add support for QKeyCode)
> Reported-by: Clang Static Analyzer
> Suggested-by: BALATON Zoltan
> Signed-off-by: Philippe Mathieu-Daudé
Acked-by: David Gibson
> ---
> v2: Remove 'olen' (Zoltan)
> ---
> hw/input/adb-kbd.c | 6 +-
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/hw/input/adb-kbd.c b/hw/input/adb-kbd.c
> index 0ba8207589..a6d5c9b7c9 100644
> --- a/hw/input/adb-kbd.c
> +++ b/hw/input/adb-kbd.c
> @@ -195,9 +195,7 @@ static int adb_kbd_poll(ADBDevice *d, uint8_t *obuf)
> {
> KBDState *s = ADB_KEYBOARD(d);
> int keycode;
> -int olen;
>
> -olen = 0;
> if (s->count == 0) {
> return 0;
> }
> @@ -216,7 +214,6 @@ static int adb_kbd_poll(ADBDevice *d, uint8_t *obuf)
> if (keycode == 0x7f) {
> obuf[0] = 0x7f;
> obuf[1] = 0x7f;
> -olen = 2;
> } else {
> obuf[0] = keycode;
> /* NOTE: the power key key-up is the two byte sequence 0xff 0xff;
> @@ -224,10 +221,9 @@ static int adb_kbd_poll(ADBDevice *d, uint8_t *obuf)
> * byte, but choose not to bother.
> */
> obuf[1] = 0xff;
> -olen = 2;
> }
>
> -return olen;
> +return 2;
> }
>
> static int adb_kbd_request(ADBDevice *d, uint8_t *obuf,
--
David Gibson| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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