linux-kernel - [PATCH] firmware: arm_scmi: Use NULL instead of integer 0 for rate pointer

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Message-Id: <20200717140405.17905-1-sudeep.holla@arm.com>
Date:   Fri, 17 Jul 2020 15:04:05 +0100
From:   Sudeep Holla <sudeep.holla@....com>
To:     linux-kernel@...r.kernel.org, arm@...nel.org, soc@...nel.org
Cc:     Sudeep Holla <sudeep.holla@....com>, Arnd Bergmann <arnd@...db.de>
Subject: [PATCH] firmware: arm_scmi: Use NULL instead of integer 0 for rate pointer

Kbuild test robot reports the following sparse warning:

drivers/firmware/arm_scmi/clock.c:142:21:
	sparse: Using plain integer as NULL pointer

Use NULL pointer instead of integer 0 for rate pointer and fix the
warning.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Sudeep Holla <sudeep.holla@....com>
---
 drivers/firmware/arm_scmi/clock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Hi Arnd,

Kbuild test robot reported this warning from the soc tree. Can you apply
this directly or do you prefer pull request. Let me know.

Regards,
Sudeep

diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c
index 6593ce87f420..75e39882746e 100644
--- a/drivers/firmware/arm_scmi/clock.c
+++ b/drivers/firmware/arm_scmi/clock.c
@@ -139,7 +139,7 @@ static int
 scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
 			      struct scmi_clock_info *clk)
 {
-	u64 *rate = 0;
+	u64 *rate = NULL;
 	int ret, cnt;
 	bool rate_discrete = false;
 	u32 tot_rate_cnt = 0, rates_flag;
--
2.17.1