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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240703-thermal-const-v1-4-6e59e139c65d@linaro.org> References: <20240703-thermal-const-v1-0-6e59e139c65d@linaro.org> In-Reply-To: <20240703-thermal-const-v1-0-6e59e139c65d@linaro.org> To: Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=4629; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=qpxrmTREuNaHHrdQzgu1e/L+P9VsCpf8GWp7U06TfTg=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmhR0agPr2ydUI703BLOJm92MpT5P4Ug9p19B4/ V2j5arr6aCJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZoUdGgAKCRDBN2bmhouD 15HkD/4mPJtxbfduWCVlQ2Ud2+O/dfZBP1x5bFZbyQ1RIm01TwvHVpLPmzGTZPrwLaUcY/5CTIG t6x/P/bfHbewKwehMh+SPSydHRLs3eW4V/4HFx11hl2tOL8q7n+uzzfdp2ENOAWRrH4ZCt89BlD 3LgSjqt+lvljDUh/Y1+Mn4DV3SJi8CmNPLparB899ityH6K45PNkipxKAAH6/s7H/78o4U+hdY7 ulSNfkZBDbKEGrwwpFRMAfxzOebedteO14WgirJZf/wdOGFFEda5WmxlL1R0FDWg60S5omxi3iM bjf6rGVsE0hzeSP1S6c4JXQWrZI56rrNLsLQ7MWyqaRSaIf8JIGm5hi40q2Ltp6Syz+/cMSjQnu DOFH+cSTryBenzx+KHFrux+IQ8Mlo39jADLjGrAQBur4Hy6BmXbZbp5iRIEeuTSZla4ogjVrUQW wlajOYWXQkcv4/lzklWA7jAplf16b7Zkna6TpIC2z0XL8/N8wO99IQZV2khEsqGTixdxKBS2bVq LsoM+tPR3Uwxa216shRoNjAs64sgqEJKT3kij947i5vpCI1OlfsR/spQpcjHwpGkr2t8+ZR1Usn +d4l61vzAdn84/6/BlSnHiLcAOvtDqPCsRKp9r7XqY5P5F+zQ50bNHI0oo1T14aaFLf6LdzOIOH Wkx+gT6U9DC4gwA== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Allocate the memory with scoped/cleanup.h to reduce error handling (less error paths) and make the code a bit simpler. Signed-off-by: Krzysztof Kozlowski --- drivers/soc/qcom/pdr_interface.c | 38 ++++++++++++++----------------------= -- 1 file changed, 14 insertions(+), 24 deletions(-) diff --git a/drivers/soc/qcom/pdr_interface.c b/drivers/soc/qcom/pdr_interf= ace.c index 216166e98fae..328b6153b2be 100644 --- a/drivers/soc/qcom/pdr_interface.c +++ b/drivers/soc/qcom/pdr_interface.c @@ -3,6 +3,7 @@ * Copyright (C) 2020 The Linux Foundation. All rights reserved. */ =20 +#include #include #include #include @@ -396,13 +397,13 @@ static int pdr_get_domain_list(struct servreg_get_dom= ain_list_req *req, =20 static int pdr_locate_service(struct pdr_handle *pdr, struct pdr_service *= pds) { - struct servreg_get_domain_list_resp *resp; struct servreg_get_domain_list_req req; struct servreg_location_entry *entry; int domains_read =3D 0; int ret, i; =20 - resp =3D kzalloc(sizeof(*resp), GFP_KERNEL); + struct servreg_get_domain_list_resp *resp __free(kfree) =3D kzalloc(sizeo= f(*resp), + GFP_KERNEL); if (!resp) return -ENOMEM; =20 @@ -415,7 +416,7 @@ static int pdr_locate_service(struct pdr_handle *pdr, s= truct pdr_service *pds) req.domain_offset =3D domains_read; ret =3D pdr_get_domain_list(&req, resp, pdr); if (ret < 0) - goto out; + return ret; =20 for (i =3D 0; i < resp->domain_list_len; i++) { entry =3D &resp->domain_list[i]; @@ -427,7 +428,7 @@ static int pdr_locate_service(struct pdr_handle *pdr, s= truct pdr_service *pds) pds->service_data_valid =3D entry->service_data_valid; pds->service_data =3D entry->service_data; pds->instance =3D entry->instance; - goto out; + return 0; } } =20 @@ -440,8 +441,7 @@ static int pdr_locate_service(struct pdr_handle *pdr, s= truct pdr_service *pds) =20 domains_read +=3D resp->domain_list_len; } while (domains_read < resp->total_domains); -out: - kfree(resp); + return ret; } =20 @@ -517,8 +517,7 @@ struct pdr_service *pdr_add_lookup(struct pdr_handle *p= dr, const char *service_name, const char *service_path) { - struct pdr_service *pds, *tmp; - int ret; + struct pdr_service *tmp; =20 if (IS_ERR_OR_NULL(pdr)) return ERR_PTR(-EINVAL); @@ -527,7 +526,7 @@ struct pdr_service *pdr_add_lookup(struct pdr_handle *p= dr, !service_path || strlen(service_path) > SERVREG_NAME_LENGTH) return ERR_PTR(-EINVAL); =20 - pds =3D kzalloc(sizeof(*pds), GFP_KERNEL); + struct pdr_service *pds __free(kfree) =3D kzalloc(sizeof(*pds), GFP_KERNE= L); if (!pds) return ERR_PTR(-ENOMEM); =20 @@ -542,8 +541,7 @@ struct pdr_service *pdr_add_lookup(struct pdr_handle *p= dr, continue; =20 mutex_unlock(&pdr->list_lock); - ret =3D -EALREADY; - goto err; + return ERR_PTR(-EALREADY); } =20 list_add(&pds->node, &pdr->lookups); @@ -551,10 +549,7 @@ struct pdr_service *pdr_add_lookup(struct pdr_handle *= pdr, =20 schedule_work(&pdr->locator_work); =20 - return pds; -err: - kfree(pds); - return ERR_PTR(ret); + return_ptr(pds); } EXPORT_SYMBOL_GPL(pdr_add_lookup); =20 @@ -651,13 +646,12 @@ struct pdr_handle *pdr_handle_alloc(void (*status)(in= t state, char *service_path, void *priv), void *priv) { - struct pdr_handle *pdr; int ret; =20 if (!status) return ERR_PTR(-EINVAL); =20 - pdr =3D kzalloc(sizeof(*pdr), GFP_KERNEL); + struct pdr_handle *pdr __free(kfree) =3D kzalloc(sizeof(*pdr), GFP_KERNEL= ); if (!pdr) return ERR_PTR(-ENOMEM); =20 @@ -676,10 +670,8 @@ struct pdr_handle *pdr_handle_alloc(void (*status)(int= state, INIT_WORK(&pdr->indack_work, pdr_indack_work); =20 pdr->notifier_wq =3D create_singlethread_workqueue("pdr_notifier_wq"); - if (!pdr->notifier_wq) { - ret =3D -ENOMEM; - goto free_pdr_handle; - } + if (!pdr->notifier_wq) + return ERR_PTR(-ENOMEM); =20 pdr->indack_wq =3D alloc_ordered_workqueue("pdr_indack_wq", WQ_HIGHPRI); if (!pdr->indack_wq) { @@ -704,7 +696,7 @@ struct pdr_handle *pdr_handle_alloc(void (*status)(int = state, if (ret < 0) goto release_qmi_handle; =20 - return pdr; + return_ptr(pdr); =20 release_qmi_handle: qmi_handle_release(&pdr->locator_hdl); @@ -712,8 +704,6 @@ struct pdr_handle *pdr_handle_alloc(void (*status)(int = state, destroy_workqueue(pdr->indack_wq); destroy_notifier: destroy_workqueue(pdr->notifier_wq); -free_pdr_handle: - kfree(pdr); =20 return ERR_PTR(ret); } --=20 2.43.0