linux-kernel - [PATCH] media: rkvdec: silence ktest bot build warning

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Date:   Tue,  8 Dec 2020 17:55:40 +0200
From:   Adrian Ratiu <adrian.ratiu@...labora.com>
To:     linux-media@...r.kernel.org
Cc:     kernel@...labora.com, linux-rockchip@...ts.infradead.org,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] media: rkvdec: silence ktest bot build warning

Some configurations built by the ktest bot produce the following
warn, so mark the struct as __maybe_unused to avoid unnecessary
ML spam.

>> drivers/staging/media/rkvdec/rkvdec.c:967:34: warning: unused variable 'of_rkvdec_match' [-Wunused-const-variable]
   static const struct of_device_id of_rkvdec_match[] = {
				    ^
   1 warning generated.

vim +/of_rkvdec_match +967 drivers/staging/media/rkvdec/rkvdec.c

   966
 > 967	static const struct of_device_id of_rkvdec_match[] = {
   968		{ .compatible = "rockchip,rk3399-vdec" },
   969		{ /* sentinel */ }
   970	};
   971	MODULE_DEVICE_TABLE(of, of_rkvdec_match);
   972

Cc: Boris Brezillon <boris.brezillon@...labora.com>
Cc: Ezequiel Garcia <ezequiel@...labora.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@...labora.com>
---
 drivers/staging/media/rkvdec/rkvdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
index aa4f8c287618..3af0f02ec59b 100644
--- a/drivers/staging/media/rkvdec/rkvdec.c
+++ b/drivers/staging/media/rkvdec/rkvdec.c
@@ -992,7 +992,7 @@ static void rkvdec_watchdog_func(struct work_struct *work)
 	}
 }
 
-static const struct of_device_id of_rkvdec_match[] = {
+static const struct of_device_id __maybe_unused of_rkvdec_match[] = {
 	{ .compatible = "rockchip,rk3399-vdec" },
 	{ /* sentinel */ }
 };
-- 
2.29.2