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[176.72.34.211]) by smtp.gmail.com with ESMTPSA id y25-20020ac24219000000b0047255d2119esm148361lfh.205.2022.05.18.22.14.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 May 2022 22:14:20 -0700 (PDT) From: Vladimir Zapolskiy To: Robert Foss , Todor Tomov Cc: Andy Gross , Bjorn Andersson , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v2] media: camss: Allocate camss struct as a managed device resource Date: Thu, 19 May 2022 08:14:15 +0300 Message-Id: <20220519051415.1198248-1-vladimir.zapolskiy@linaro.org> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The change simplifies driver's probe and remove functions, no functional change is intended. Signed-off-by: Vladimir Zapolskiy Reviewed-by: Robert Foss --- Changes from v1 to v2: * rebased on top of media/master drivers/media/platform/qcom/camss/camss.c | 33 +++++++---------------- 1 file changed, 10 insertions(+), 23 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index 79ad82e233cb..2055233af101 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -1529,7 +1529,7 @@ static int camss_probe(struct platform_device *pdev) struct camss *camss; int num_subdevs, ret; - camss = kzalloc(sizeof(*camss), GFP_KERNEL); + camss = devm_kzalloc(dev, sizeof(*camss), GFP_KERNEL); if (!camss) return -ENOMEM; @@ -1567,39 +1567,30 @@ static int camss_probe(struct platform_device *pdev) camss->csid_num = 4; camss->vfe_num = 4; } else { - ret = -EINVAL; - goto err_free; + return -EINVAL; } camss->csiphy = devm_kcalloc(dev, camss->csiphy_num, sizeof(*camss->csiphy), GFP_KERNEL); - if (!camss->csiphy) { - ret = -ENOMEM; - goto err_free; - } + if (!camss->csiphy) + return -ENOMEM; camss->csid = devm_kcalloc(dev, camss->csid_num, sizeof(*camss->csid), GFP_KERNEL); - if (!camss->csid) { - ret = -ENOMEM; - goto err_free; - } + if (!camss->csid) + return -ENOMEM; if (camss->version == CAMSS_8x16 || camss->version == CAMSS_8x96) { camss->ispif = devm_kcalloc(dev, 1, sizeof(*camss->ispif), GFP_KERNEL); - if (!camss->ispif) { - ret = -ENOMEM; - goto err_free; - } + if (!camss->ispif) + return -ENOMEM; } camss->vfe = devm_kcalloc(dev, camss->vfe_num, sizeof(*camss->vfe), GFP_KERNEL); - if (!camss->vfe) { - ret = -ENOMEM; - goto err_free; - } + if (!camss->vfe) + return -ENOMEM; v4l2_async_nf_init(&camss->notifier); @@ -1681,8 +1672,6 @@ static int camss_probe(struct platform_device *pdev) v4l2_device_unregister(&camss->v4l2_dev); err_cleanup: v4l2_async_nf_cleanup(&camss->notifier); -err_free: - kfree(camss); return ret; } @@ -1709,8 +1698,6 @@ void camss_delete(struct camss *camss) device_link_del(camss->genpd_link[i]); dev_pm_domain_detach(camss->genpd[i], true); } - - kfree(camss); } /*