From nobody Tue Sep 29 11:19:29 2026 Received: from mail-pl1-f180.google.com (mail-pl1-f180.google.com [209.85.214.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D96E23C1D44 for ; Sat, 8 Aug 2026 09:23:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.180 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786181027; cv=none; b=ORBNK5c2XxsTydmUfIDGCkbT5Q0Qm9dHsXjHVyUx5iuny3tkTqzL7J6Libylf9o4oyXGC/iwBoNd3vMHVU0KFszuKxFqhrmjeFlqei4sEL56k7ZhHAmgMtfAANbz+Bsp9uea6elGEPdy46LOWreWYXLHvOIJtOLPDNZ5fkEPvXw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786181027; c=relaxed/simple; bh=yxshTvyoAPGWmZZDuR7TLWMT0v330fFFxJAyBybbt2w=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=P6ibKB1BdY1rK76QI3tCmnwiwlXwbgpphefeK/mBPTcrZZLitcoKA7mWdlDwYRRZbCsrPE0FfOJOi/6G9feSBZjzqfHAYeN9QZQA8mhzRfaCbFEYB6r6yqwcgEnOak/JPuiAQYNVGC7ei2TgIf0V4J8cEEOMtiyHn7qWLUWSijI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=L5AfFqwd; arc=none smtp.client-ip=209.85.214.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="L5AfFqwd" Received: by mail-pl1-f180.google.com with SMTP id d9443c01a7336-2ceaf8a1265so5936635ad.2 for ; Sat, 08 Aug 2026 02:23:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786181025; x=1786785825; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=PjXi/qxRj8zV1nCYije6O11THncTCuMbmHOZ9Jpz060=; b=L5AfFqwdY/dV3KWppV0Jo7CjHmdZrXJlrDEh+BpiHzSO8i7nM/Lth3TYvvYG27L9Zi /WWmf7IbfJy4MR4Jf8i6OEmvfIwISKWT4cxz8iZ8I7P5r6qgDEIT3LvXnUcqe5znUNsK wc94jbsnEXOyVpagEuEY+D8q/aJrUfO9M5hh/JR5NBRvOGeXopoPYLOZWfn3s6sth6qD R9oMq40rp+mwf2YtZB6kk3FeviUhq9z7KDMzcoWQDQWw8sajEUdziGj2to212KM2ENGJ 2J1NXSMhX1aYmcjVACzh34mWYwwfZ/uEknPZuRQldxTroCGDGNahS4tB3KsajwARQRXD WA/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786181025; x=1786785825; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=PjXi/qxRj8zV1nCYije6O11THncTCuMbmHOZ9Jpz060=; b=lwdk/VQfNlxOAuu4YaADaqVjrzmpxqWT/Sx6rN9drf408xZZlnWhg7Ug8d9tvHt4KB Qn5rraUOm8z4cRr4AnRT6z8wegV+SI8cfA6C399DotfkFTE2ZC3HHA5gvJfY7qo4Auh2 gNZ2w85+1Mx6fxrzi/RvlH3zqrkDbK99l0w4UT5dF+rdaNl42zPOMDVGiXdX5QpCht9N k2C7WYr05R2agXihbW0w1/uHSzkr1AdBbjVnlUK2sOslWwM6VJC7GYY3oE5hOlp8OKKw acoTBaw+8t/Y8qiJWqikrtf6Dj9CFp+uRmFsZNwBVdbMIfZY/evsxLQBTCYbHH5SNJwf EAiQ== X-Forwarded-Encrypted: i=1; AHgh+RqkyEiYtqrBoNxHJX8yy0ApnmcaLcbCAD9Y75tEpk4pNOhoqyjUxnw72PNYmcUFrR83QojChXFnL8pBMPE=@vger.kernel.org X-Gm-Message-State: AOJu0YztVPzShGP+7C6AMWaPcOoHunwb3d0xzINaLjxEFSkoZLuMphL0 NOlaW0w7i/ENbfNV8LAk17uRVy9Z4IBKktevg0PjCiB1uHNccrcIRMjo X-Gm-Gg: AR+sD10OTOeItKj51gwg0f1qhMwdtb1p5wynYhAdc1GGb19W2Pu++baCH8FWqKRjFyY Nxbu0kxyWpCPz/49j5O7zpcbk5SkReehDsESh8n0xxTybl6QU/o11HSJhdrVvYLjP/xSM0D4Yq6 gyngr1316CmCPT7o3cRjtvmDECaHvde7prIMcri1VWQFD4DBaCT+y6yrptU1tqHwcCOPYS9mCnt YywgvkjGZAKLuRvlY2hl0YMjB0ai2kb72QnXEy0d8HgfTz5uBAFJ74/8O89+ZXrlgcLiIY6Zylx uosySeOQmd1yJ5YBNrUJQ89mQungXFpJdAbvQhJugylhigcbqqvJvgYiskw/AGZusN1Xj7zgJ2M XhCa8BwFM8neK2RXygMte5LQhONt1fy8DBGt1bDyXjnTjH4FhdUeMBEBhmrnQ1rUiK5J9M/K6La ch+KrT/w9tzvS6f2io7jyBM58okXKgGRnyJ6UucKhO8QLfI00IsNIIZg== X-Received: by 2002:a17:903:17c3:b0:2c9:e86e:aa0a with SMTP id d9443c01a7336-2d0ca165189mr344277915ad.0.1786181025137; Sat, 08 Aug 2026 02:23:45 -0700 (PDT) Received: from lgs.. ([2001:250:5800:1000::f280]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d14dbeaa88sm17171945ad.39.2026.08.08.02.23.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Aug 2026 02:23:44 -0700 (PDT) From: Guangshuo Li To: Gilad Ben-Yossef , Herbert Xu , "David S. Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Guangshuo Li , stable@vger.kernel.org Subject: [PATCH] crypto: ccree: fix autosuspend cleanup during teardown Date: Sat, 8 Aug 2026 17:17:34 +0800 Message-ID: <20260808091734.2727295-1-lgs201920130244@gmail.com> X-Mailer: git-send-email 2.43.0 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 Content-Type: text/plain; charset="utf-8" init_cc_resources() calls pm_runtime_use_autosuspend(), but neither the probe failure path nor cleanup_cc_resources() calls the matching pm_runtime_dont_use_autosuspend() before disabling runtime PM. If the autosuspend delay is set to a negative value while autosuspend is enabled, the runtime PM core increments usage_count to prevent runtime suspend. Without calling pm_runtime_dont_use_autosuspend() during teardown, this reference is not dropped and usage_count remains unbalanced. Add the missing pm_runtime_dont_use_autosuspend() calls to both the probe failure and device cleanup paths before disabling runtime PM. This issue was found by manual code inspection. Fixes: 4c3f97276e15 ("crypto: ccree - introduce CryptoCell driver") Cc: stable@vger.kernel.org Signed-off-by: Guangshuo Li --- drivers/crypto/ccree/cc_driver.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_dri= ver.c index 061e68a31c36..b127ec64a087 100644 --- a/drivers/crypto/ccree/cc_driver.c +++ b/drivers/crypto/ccree/cc_driver.c @@ -567,6 +567,7 @@ static int init_cc_resources(struct platform_device *pl= at_dev) post_regs_err: fini_cc_regs(new_drvdata); post_pm_err: + pm_runtime_dont_use_autosuspend(dev); pm_runtime_put_noidle(dev); pm_runtime_disable(dev); pm_runtime_set_suspended(dev); @@ -594,6 +595,7 @@ static void cleanup_cc_resources(struct platform_device= *plat_dev) cc_fips_fini(drvdata); cc_debugfs_fini(drvdata); fini_cc_regs(drvdata); + pm_runtime_dont_use_autosuspend(dev); pm_runtime_put_noidle(dev); pm_runtime_disable(dev); pm_runtime_set_suspended(dev); --=20 2.43.0