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Message-Id: <20211115165400.185396146@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 18:03:21 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, YueHaibing <yuehaibing@...wei.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 476/575] opp: Fix return in _opp_add_static_v2()

From: YueHaibing <yuehaibing@...wei.com>

[ Upstream commit 27ff8187f13ecfec8a26fb1928e906f46f326cc5 ]

Fix sparse warning:
drivers/opp/of.c:924 _opp_add_static_v2() warn: passing zero to 'ERR_PTR'

For duplicate OPPs 'ret' be set to zero.

Fixes: deac8703da5f ("PM / OPP: _of_add_opp_table_v2(): increment count only if OPP is added")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/opp/of.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index f83f4f6d70349..5de46aa99d243 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -827,7 +827,7 @@ free_required_opps:
 free_opp:
 	_opp_free(new_opp);
 
-	return ERR_PTR(ret);
+	return ret ? ERR_PTR(ret) : NULL;
 }
 
 /* Initializes OPP tables based on new bindings */
-- 
2.33.0



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