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 8E5B52F617C; Sat, 12 Sep 2026 18:42:51 +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=1789238572; cv=none; b=OQpfyfUvyaCHWH5M8ieuWSktC7G3c1XrqYAag5NAx2mbEVMJ+8sWZiwupfoNmph305uo9HidhGB24sYcgDxM26S4PItWQ99Lto5guV2rk9R3rGC4q2d8Awbg3clxCDmrJTmI+qSQvItxwuFkE7lDkWLZlk9OCGgiqgkcc0iiS2Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789238572; c=relaxed/simple; bh=P2HNbYFFniPlFo1wlI+f27LPQhHp1F2+f8SR1DVSpqE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YX5vPKT8j49xap1LfKIk/ow+FYkQqiANARstFtcuC+vxaM3aL5EUiPBswqXnV0VFFxxKdtGzqLmJfJes2daS2+jQXoZkEzaZisdsPjMz8wnP2dmCMgG9Y35FwSe97ZS3j/+Y9RQcCDjWABzBi49YKwESqohxqPfYFhdLlKgTxP0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lofU88by; 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="lofU88by" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C56181F000FF; Sat, 12 Sep 2026 18:42:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789238571; bh=GyQAR0I8E5BexAWbGjYvJiM1H93Tca0mdNaQKGDXSaI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lofU88byhkkO6LnK2UqWg4b7apyRF6W1cbJeqmOy1tmU4Whm89pkat0H0qqCKaL49 6lchYwREgDuxK2YLDEtMXD/UcASielA2V/pzPuNZMlgHq3rGb5kZco3FPKTebtM2iE chuNgEY00kQO+fzS2+Dl4BoCYxHVajkL4Mvk5/xg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wolfram Sang , Bjorn Andersson , Sasha Levin Subject: [PATCH 5.15 487/935] hwspinlock: propagate errno when registering single lock Date: Sat, 12 Sep 2026 08:58:37 +0200 Message-ID: <20260912065537.991009998@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: Wolfram Sang [ Upstream commit e088ffa9a00eaaaf90da74763e774ca160969c26 ] hwspin_lock_register_single() always returns 0 despite checking the result from radix_tree_insert(). Propagate the errno to make sanity checks in callers of this function actually meaningful. Fixes: 300bab9770e2 ("hwspinlock/core: register a bank of hwspinlocks in a single API call") Link: https://sashiko.dev/#/patchset/20260319105947.6237-1-wsa%2Brenesas%40sang-engineering.com # review of patch 14 Signed-off-by: Wolfram Sang Link: https://lore.kernel.org/r/20260512084856.30497-2-wsa+renesas@sang-engineering.com Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/hwspinlock/hwspinlock_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index 425597151dd3e..ed02ba245d460 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -468,7 +468,7 @@ static int hwspin_lock_register_single(struct hwspinlock *hwlock, int id) out: mutex_unlock(&hwspinlock_tree_lock); - return 0; + return ret; } static struct hwspinlock *hwspin_lock_unregister_single(unsigned int id) -- 2.53.0