linux-kernel - [PATCH] hwrng: omap3-rom fix pointer warning for omap3_rom_rng

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Message-Id: <20191015122754.14721-1-ben.dooks@codethink.co.uk>
Date:   Tue, 15 Oct 2019 13:27:54 +0100
From:   Ben Dooks <ben.dooks@...ethink.co.uk>
To:     linux-kernel@...ts.codethink.co.uk
Cc:     Ben Dooks <ben.dooks@...ethink.co.uk>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] hwrng: omap3-rom fix pointer warning for omap3_rom_rng_idle

The omap3_rom_rng_idle function takes a pointer, so give
it a pointer instead of a plain 0. This fixes the following
sparse warning:

drivers/char/hw_random/omap3-rom-rng.c:115:28: warning: Using plain integer as NULL pointer

Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
---
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/char/hw_random/omap3-rom-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/omap3-rom-rng.c b/drivers/char/hw_random/omap3-rom-rng.c
index 38b719017186..75fe3dc83d28 100644
--- a/drivers/char/hw_random/omap3-rom-rng.c
+++ b/drivers/char/hw_random/omap3-rom-rng.c
@@ -112,7 +112,7 @@ static int omap3_rom_rng_probe(struct platform_device *pdev)
 	ret = clk_prepare_enable(rng_clk);
 	if (ret)
 		return ret;
-	omap3_rom_rng_idle(0);
+	omap3_rom_rng_idle(NULL);
 
 	return hwrng_register(&omap3_rom_rng_ops);
 }
-- 
2.23.0