From nobody Fri Sep 25 02:44:22 2026 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B57A649C4D3; Thu, 17 Sep 2026 12:04:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789646708; cv=none; b=M0cBGspIHQaCQVoCS74jKUdJH4/WBWCSGdIs4UF61BYdiB9oLWazWS8qu0LlTh0ah/I9yAq3l1UuRErXaYErh3f8b4R4cORH+kyv5Nn7EZ1n6Zf1f49l8zCb5oWjEwVffK2vHwpSPyikwjqoK0+7Iee+4MNagdxDIi4F2+ulYn8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789646708; c=relaxed/simple; bh=f6dEYUg3qwnuiNz8knI4frPeCoas5Lo7cFmz+uMmNZ0=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=W/0ViLk3a1VZG3aYxf2fD1OCd1iX1Hmco9uzzXptUBQQ/9WzET2rvvkJ5ByCsEIlkMuvBsXgUgk+JM7xRPXHM+wWxw1+ZE2FMUKNt78HC8bgiP9JTk4c1rfv+gAbo0O4j6O9nlNAQpDfrDjziYJSv2tG9oxLa6D38soAB/oe/3M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from dfae2b116770.home.arpa (unknown [36.110.52.2]) by APP-05 (Coremail) with SMTP id zQCowAAXgDpb16tqDiSACA--.8S2; Thu, 17 Sep 2026 20:04:44 +0800 (CST) From: Wentao Liang To: ath12k@lists.infradead.org Cc: jjohnson@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, quic_rajkbhag@quicinc.com, quic_ssreeela@quicinc.com, vasanthakumar.thiagarajan@oss.qualcomm.com, Wentao Liang , stable@vger.kernel.org Subject: [PATCH] wifi: ath12k: Fix rproc reference leak when configuring rproc IRQs Date: Thu, 17 Sep 2026 12:04:43 +0000 Message-Id: <20260917120443.2150370-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: zQCowAAXgDpb16tqDiSACA--.8S2 X-Coremail-Antispam: 1UD129KBjvdXoWrKw1DWF4xJw1UArW7GFWUtwb_yoWkAwcE9F 4rXw1xZ3yIkrWjkF15Ca12vw4IvFyDXFWxJFWqqFWfJFWxJr4v9ryrZFn8AFsrtry8Cr1f GFZ2qr47A3srWjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbSxYjsxI4VWDJwAYFVCjjxCrM7CY07I20VC2zVCF04k26cxKx2IY s7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4 kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_ Gr1j6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxV W0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv 7VC0I7IYx2IY67AKxVWUtVWrXwAv7VC2z280aVAFwI0_Gr1j6F4UJwAm72CE4IkC6x0Yz7 v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0E0s8F02x267IIx4CEVc8vx2IErcIFxwCY 1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCF04k20xvE74AGY7Cv6cx26r48Zr WUJr1UMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCj r7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6x IIjxv20xvE14v26r1I6r4UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF 04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4UJVWxJr1lIxAIcVC2z280aV CY1x0267AKxVW0oVCq3bIYCTnIWIevJa73UjIFyTuYvjxU2U73DUUUU X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiBwUNA2qrrRmBsQAAsJ Content-Type: text/plain; charset="utf-8" ath12k_ahb_configure_rproc() returns the result of ath12k_ahb_config_rproc_irq() directly, so a failure there leaves the rproc notifier registered and the rproc reference taken by ath12k_ahb_get_rproc() unreleased. Route this failure through the error path that unregisters the notifier and drops the reference. Fixes: 10a355ba6238 ("wifi: ath12k: Power up root PD") Cc: stable@vger.kernel.org Signed-off-by: Wentao Liang --- drivers/net/wireless/ath/ath12k/ahb.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/a= th/ath12k/ahb.c index 2dcf0a52e4c1..0b69ff42dd7a 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.c +++ b/drivers/net/wireless/ath/ath12k/ahb.c @@ -889,7 +889,11 @@ static int ath12k_ahb_configure_rproc(struct ath12k_ba= se *ab) } } =20 - return ath12k_ahb_config_rproc_irq(ab); + ret =3D ath12k_ahb_config_rproc_irq(ab); + if (ret < 0) + goto err_unreg_notifier; + + return 0; =20 err_unreg_notifier: ath12k_ahb_unregister_rproc_notifier(ab); --=20 2.34.1