linux-kernel - [PATCH 2/4] clk: renesas: rzg2l: propagate return value of_genpd_add_provider

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Date:   Wed, 17 Nov 2021 11:50:59 +0000
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Jiri Kosina <trivial@...nel.org>,
        linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: [PATCH 2/4] clk: renesas: rzg2l: propagate return value of_genpd_add_provider_simple()

of_genpd_add_provider_simple() might fail, this patch makes sure we check
the return value of of_genpd_add_provider_simple() by propagating the
return value to the caller of rzg2l_cpg_add_clk_domain().

Fixes: ef3c613ccd68a ("clk: renesas: Add CPG core wrapper for RZ/G2L SoC")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 drivers/clk/renesas/rzg2l-cpg.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c
index b0cffc8b22c0..393e5560c076 100644
--- a/drivers/clk/renesas/rzg2l-cpg.c
+++ b/drivers/clk/renesas/rzg2l-cpg.c
@@ -879,8 +879,7 @@ static int __init rzg2l_cpg_add_clk_domain(struct device *dev)
 	if (ret)
 		return ret;
 
-	of_genpd_add_provider_simple(np, genpd);
-	return 0;
+	return of_genpd_add_provider_simple(np, genpd);
 }
 
 static int __init rzg2l_cpg_probe(struct platform_device *pdev)
-- 
2.17.1