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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240823-cleanup-h-guard-pm-domain-v1-9-8320722eaf39@linaro.org> References: <20240823-cleanup-h-guard-pm-domain-v1-0-8320722eaf39@linaro.org> In-Reply-To: <20240823-cleanup-h-guard-pm-domain-v1-0-8320722eaf39@linaro.org> To: Ulf Hansson , Heiko Stuebner , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Bjorn Andersson , Konrad Dybcio , Geert Uytterhoeven , Magnus Damm Cc: linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2725; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=XWmH+Hl1yGiIFL5fYsxLdEp7Bwy4xbJyw8YwEuJJ1k0=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmyIXMuhF/r6XYZvbssPimAH7xSy/VPxtyP2RAn SKx6v/2vH+JAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZsiFzAAKCRDBN2bmhouD 1xx0D/wOZ/Gin9mdDLVFXUWB37LsDCwOjzZhR9qfsq0n6W6JYFtvECA3bgQpv4nW/mYAB85dr+j ro8zgDq5YXul9FfRGG0ATZvZT2gcCHL/oAnDreUc8vfZLsSlJ1aX84TFJomiW+mQ3XXwCRmsZHB 1T0CJt70K1YB2eltp8jp0dig71yi2HdMF6UYhbDo/gYVGtlFtNiYB67Kwdw0UOeW9YzcmeFi6YK Tz8GvX3QEooih+bxbIDhHX8Z1IKftzyzty+quNuwmYUOyDi4eSZe2mp4j0/FoaW5MlY31kxW0rp 3S9JXPQfyAUVLKdG/0FQQEI8YLTvcupNPFisaS4Bby2Sn1U517UKrVFAFpZ9TDPTzWPFeQ7DUUe N8kAyUNMyWN+WNJx+ECpszWWFmk9bCNiZvIJN6pNvCy9N7GzJqATm4RWSxqwOZxL8H0sDTvlx5c SQz+eEInbU7p0zcJom64jgD1i2plMUsbuoINKbgMq1y+QdsEBmRi6astV/l1pDUIofIKm/A6u3Y N6sQEDEDv1e7tknn9+k5mh99Qk2SjG6+f2mhpMyv/XuC4yKpoHnihKWMMjM5xv97lj2iR1d0N26 3YLDkz0E6IEUTDsbNmc1w4Q/VgIsWFghm2U0TXGnTuF57hccO1BnQ1aFdYOM38AO3rCHpOxw96L jO9lsFhJ2yrQ1lw== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Obtain the device node reference with scoped/cleanup.h to reduce error handling and make the code a bit simpler. Signed-off-by: Krzysztof Kozlowski --- drivers/pmdomain/renesas/rcar-gen4-sysc.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/drivers/pmdomain/renesas/rcar-gen4-sysc.c b/drivers/pmdomain/r= enesas/rcar-gen4-sysc.c index 66409cff2083..4ca85dbdedc2 100644 --- a/drivers/pmdomain/renesas/rcar-gen4-sysc.c +++ b/drivers/pmdomain/renesas/rcar-gen4-sysc.c @@ -6,6 +6,7 @@ */ =20 #include +#include #include #include #include @@ -303,12 +304,12 @@ static int __init rcar_gen4_sysc_pd_init(void) const struct rcar_gen4_sysc_info *info; const struct of_device_id *match; struct rcar_gen4_pm_domains *domains; - struct device_node *np; void __iomem *base; unsigned int i; int error; =20 - np =3D of_find_matching_node_and_match(NULL, rcar_gen4_sysc_matches, &mat= ch); + struct device_node *np __free(device_node) =3D + of_find_matching_node_and_match(NULL, rcar_gen4_sysc_matches, &match); if (!np) return -ENODEV; =20 @@ -317,17 +318,14 @@ static int __init rcar_gen4_sysc_pd_init(void) base =3D of_iomap(np, 0); if (!base) { pr_warn("%pOF: Cannot map regs\n", np); - error =3D -ENOMEM; - goto out_put; + return -ENOMEM; } =20 rcar_gen4_sysc_base =3D base; =20 domains =3D kzalloc(sizeof(*domains), GFP_KERNEL); - if (!domains) { - error =3D -ENOMEM; - goto out_put; - } + if (!domains) + return -ENOMEM; =20 domains->onecell_data.domains =3D domains->domains; domains->onecell_data.num_domains =3D ARRAY_SIZE(domains->domains); @@ -345,10 +343,8 @@ static int __init rcar_gen4_sysc_pd_init(void) =20 n =3D strlen(area->name) + 1; pd =3D kzalloc(sizeof(*pd) + n, GFP_KERNEL); - if (!pd) { - error =3D -ENOMEM; - goto out_put; - } + if (!pd) + return -ENOMEM; =20 memcpy(pd->name, area->name, n); pd->genpd.name =3D pd->name; @@ -357,7 +353,7 @@ static int __init rcar_gen4_sysc_pd_init(void) =20 error =3D rcar_gen4_sysc_pd_setup(pd); if (error) - goto out_put; + return error; =20 domains->domains[area->pdr] =3D &pd->genpd; =20 @@ -369,14 +365,12 @@ static int __init rcar_gen4_sysc_pd_init(void) if (error) { pr_warn("Failed to add PM subdomain %s to parent %u\n", area->name, area->parent); - goto out_put; + return error; } } =20 error =3D of_genpd_add_provider_onecell(np, &domains->onecell_data); =20 -out_put: - of_node_put(np); return error; } early_initcall(rcar_gen4_sysc_pd_init); --=20 2.43.0