From: Miles Chen <miles.chen@mediatek.com>
To: Neil Armstrong <neil.armstrong@linaro.org>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: <linux-kernel@vger.kernel.org>,
Miles Chen <miles.chen@mediatek.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-amlogic@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>
Subject: [PATCH] firmware: meson_sm: stop using 0 as NULL pointer
Date: Tue, 10 Jan 2023 11:12:42 +0800 [thread overview]
Message-ID: <20230110031242.4917-1-miles.chen@mediatek.com> (raw)
Use NULL for NULL pointer to fix the following sparse warning:
drivers/firmware/meson/meson_sm.c:85:24: sparse: warning: Using plain integer as NULL pointer
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
---
drivers/firmware/meson/meson_sm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
index 77aa5c6398aa..3f5ff9ed668e 100644
--- a/drivers/firmware/meson/meson_sm.c
+++ b/drivers/firmware/meson/meson_sm.c
@@ -82,7 +82,7 @@ static void __iomem *meson_sm_map_shmem(u32 cmd_shmem, unsigned int size)
sm_phy_base = __meson_sm_call(cmd_shmem, 0, 0, 0, 0, 0);
if (!sm_phy_base)
- return 0;
+ return NULL;
return ioremap_cache(sm_phy_base, size);
}
--
2.18.0
next reply other threads:[~2023-01-10 3:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-10 3:12 Miles Chen [this message]
2023-01-10 8:26 ` [PATCH] firmware: meson_sm: stop using 0 as NULL pointer Neil Armstrong
2023-01-10 14:21 ` Neil Armstrong
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