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Fri, 06 Feb 2026 05:40:22 -0800 (PST) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4362972fa41sm5881120f8f.23.2026.02.06.05.40.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Feb 2026 05:40:22 -0800 (PST) Date: Fri, 6 Feb 2026 16:40:19 +0300 From: Dan Carpenter To: Dmitry Baryshkov Cc: linux-pm@vger.kernel.org, linux-kernel Subject: [bug report] power: sequencing: qcom-wcn: add support for WCN39xx Message-ID: Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: [ Smatch checking is paused while we raise funding. #SadFace https://lore.kernel.org/all/aTaiGSbWZ9DJaGo7@stanley.mountain/ -dan ] Hello Dmitry Baryshkov, Commit 0eb85f468ef5 ("power: sequencing: qcom-wcn: add support for WCN39xx") from Jan 6, 2026 (linux-next), leads to the following Smatch static checker warning: drivers/power/sequencing/pwrseq-qcom-wcn.c:492 pwrseq_qcom_wcn_probe() warn: passing zero to 'dev_err_probe' drivers/power/sequencing/pwrseq-qcom-wcn.c 458 static int pwrseq_qcom_wcn_probe(struct platform_device *pdev) 459 { 460 struct device *dev = &pdev->dev; 461 struct pwrseq_qcom_wcn_ctx *ctx; 462 struct pwrseq_config config; 463 int i, ret; 464 465 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); 466 if (!ctx) 467 return -ENOMEM; 468 469 ctx->of_node = dev->of_node; 470 471 ctx->pdata = device_get_match_data(dev); 472 if (!ctx->pdata) 473 return dev_err_probe(dev, -ENODEV, 474 "Failed to obtain platform data\n"); 475 476 ctx->regs = devm_kcalloc(dev, ctx->pdata->num_vregs, 477 sizeof(*ctx->regs), GFP_KERNEL); 478 if (!ctx->regs) 479 return -ENOMEM; 480 481 for (i = 0; i < ctx->pdata->num_vregs; i++) 482 ctx->regs[i].supply = ctx->pdata->vregs[i]; 483 484 ret = devm_regulator_bulk_get(dev, ctx->pdata->num_vregs, ctx->regs); 485 if (ret < 0) 486 return dev_err_probe(dev, ret, 487 "Failed to get all regulators\n"); 488 489 if (ctx->pdata->has_vddio) { 490 ctx->vddio = devm_regulator_get(dev, "vddio"); 491 if (IS_ERR(ctx->vddio)) --> 492 return dev_err_probe(dev, ret, "Failed to get VDDIO\n"); s/ret/PTR_ERR(ctx->vddio)/ 493 } 494 495 ctx->bt_gpio = devm_gpiod_get_optional(dev, "bt-enable", GPIOD_OUT_LOW); 496 if (IS_ERR(ctx->bt_gpio)) 497 return dev_err_probe(dev, PTR_ERR(ctx->bt_gpio), 498 "Failed to get the Bluetooth enable GPIO\n"); 499 500 /* regards, dan carpenter