From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 497083B0ACC; Sat, 12 Sep 2026 18:29:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789237743; cv=none; b=dsIUCGcY8gSvKi6UAxHxMXGvl2rnMwXxHgkmuD5JogBRw6MrX0nKieyawESOAH/ubejjt0qmGE2jwYh7T694uRkG5BLuicE6/T/hA+treP9ZCXRySdGe4ERKAXxWJyUrjp8L9MbcNNmPdSNHKAX0mWaU58vHd1AtOsnmxhijLqI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789237743; c=relaxed/simple; bh=5zHqHw9+lEf2GDthE9hgzWkGwv52dqLC+v0LkyO3+RE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IRRiIASA6TueiKSPZhNsRImyjIKBxenBniYQjG88OeaC12ND31JvCctE8xEF8FHdWFvHjhipTBoaAWjfMHwqX3UUuaxExqcxy72+ijeEUNUS0tQzgfOVsIILD0YJQk7SEiL57M0Q9mc6Ei3OGgonoJBafs6GHrZp8sawsgiL7ho= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=a0vFSzti; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="a0vFSzti" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 983651F000FF; Sat, 12 Sep 2026 18:28:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789237740; bh=z1x9hnShUraFJ7/Jjv3DbGh7jhHZEkzB2hAVOKKyKIk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=a0vFSztiCsinQNZXg3iZf/6JByYJs3PqXPT4qIdtluKOgVKgTSA+nLHwEQ7jk6rOz NFSluTC6hS8B0OxFtu/AKajWyOthZiuvRAafFStKLssuJgsxU5oe7mH2aT7izeVOVy p0fpoQKwC26iSXhQ8VZpsMlDsSm/iPDd0jIH3Rhc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ijae Kim , Myeonghun Pak , Sean Young Subject: [PATCH 5.15 321/935] media: rc: sunxi-cir: Unregister rc device on probe failure Date: Sat, 12 Sep 2026 08:55:51 +0200 Message-ID: <20260912065534.168038027@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065526.833703348@linuxfoundation.org> References: <20260912065526.833703348@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Myeonghun Pak commit 479aa6fa8c50f1052f1451326ef7d4d586d340c3 upstream. After rc_register_device() succeeds, later probe failures must undo the registration with rc_unregister_device(). The current error path jumps to the allocation cleanup label and only calls rc_free_device(), leaving the rc device registration and resources created by rc_register_device() behind. Add a registered-device unwind label for the IRQ lookup, IRQ request, and hardware initialization failure paths. Keep rc_free_device() for failures before rc_register_device() succeeds. Fixes: b4e3e59fb59c ("[media] rc: add sunxi-ir driver") Cc: stable@vger.kernel.org Co-developed-by: Ijae Kim Signed-off-by: Ijae Kim Signed-off-by: Myeonghun Pak Signed-off-by: Sean Young Signed-off-by: Greg Kroah-Hartman --- drivers/media/rc/sunxi-cir.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) --- a/drivers/media/rc/sunxi-cir.c +++ b/drivers/media/rc/sunxi-cir.c @@ -344,22 +344,25 @@ static int sunxi_ir_probe(struct platfor ir->irq = platform_get_irq(pdev, 0); if (ir->irq < 0) { ret = ir->irq; - goto exit_free_dev; + goto exit_unregister_dev; } ret = devm_request_irq(dev, ir->irq, sunxi_ir_irq, 0, SUNXI_IR_DEV, ir); if (ret) { dev_err(dev, "failed request irq\n"); - goto exit_free_dev; + goto exit_unregister_dev; } ret = sunxi_ir_hw_init(dev); if (ret) - goto exit_free_dev; + goto exit_unregister_dev; dev_info(dev, "initialized sunXi IR driver\n"); return 0; +exit_unregister_dev: + rc_unregister_device(ir->rc); + exit_free_dev: rc_free_device(ir->rc);