From nobody Sat Feb 7 21:08:07 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 368DC3346BB; Thu, 5 Feb 2026 22:48:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770331681; cv=none; b=ZRh3dtCi4fK/Hk72dQK3mnm1e8Ucevuov1VaaKHglJJM6ZBiQUgYq1hCVc48KQwJH7M3mAcMet46/r5frAGrC7XW0RtTvtyYAxtRMY25y7jJYpvL/D3dIJb4aYcwb2rgNN8+/njEfkYfsaCjdgkCIEI2gCsTAg5KIVuHl01ZnRo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770331681; c=relaxed/simple; bh=FOdadmQ+S2mCHDnQCUMOZD6q7lK1m9onAeTEGMHVtfc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=onG5G52AQPs3k/SPbyN9oDBUq1Ys6trMBGEY1kkfdbTP7BMQilwRuos4jkofA6Wb9JqF0mFAkU6BLRuS8WrQrVE7egVfycObfSFk77oNGC2K+HD7vU1+hNsKX1Ix1dAdH+mVlC8Z/gPXsXTZ6Y0YJSzvTvUyZBJ1UGoI+IoIsoQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iVhj8NSe; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="iVhj8NSe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1F31C19424; Thu, 5 Feb 2026 22:47:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770331680; bh=FOdadmQ+S2mCHDnQCUMOZD6q7lK1m9onAeTEGMHVtfc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iVhj8NSep1JP8gOgjqk0JCzU/qMgsZlRwmjk+i1m3ClEgvmxzy2KN37Eb3EIJRFql 4Oo4/y78DGuzagh1z4Sb9DQ9qFDV8andDbDOEZjfpT4tr/c+Is9ze4VZAH4HNGihZj RANLb/SKW6ycrnk0KOnWl8i96dR+CGtEWO+lBHTThjgu9vm9T8iXJV1OUZ1cXtRr+K nyA13aGV4IUphQKZb2xg/nQvrUfRHd69p4ptPZOtK+NkLL/T09f4OF/Yk2QpMqplfh Z4/avTRi+1Xp/tZwJEVU+/jD4ANPgKffrbK8YsA4C1acfJaR/kJPepxLhoKoUURaec SxXHFgTkinmQA== From: Danilo Krummrich To: gregkh@linuxfoundation.org, rafael@kernel.org, ojeda@kernel.org, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu Cc: driver-core@lists.linux.dev, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Danilo Krummrich Subject: [PATCH 3/5] devres: add devres_node_remove() Date: Thu, 5 Feb 2026 23:31:26 +0100 Message-ID: <20260205224706.91996-5-dakr@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260205224706.91996-2-dakr@kernel.org> References: <20260205224706.91996-2-dakr@kernel.org> 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" When the Rust Devres container type is dropped we need a way to remove the embedded struct devres_node from the device's node list. Signed-off-by: Danilo Krummrich --- drivers/base/base.h | 1 + drivers/base/devres.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/base/base.h b/drivers/base/base.h index 0ad52a847bd0..93b2020baa99 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -237,6 +237,7 @@ struct devres_node { void devres_node_init(struct devres_node *node, dr_node_release_t release, dr_node_free_t free_node); void devres_node_add(struct device *dev, struct devres_node *node); +bool devres_node_remove(struct device *dev, struct devres_node *node); void devres_for_each_res(struct device *dev, dr_release_t release, dr_match_t match, void *match_data, void (*fn)(struct device *, void *, void *), diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 51d079acc9b3..54a41ae599d0 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -363,6 +363,23 @@ void *devres_get(struct device *dev, void *new_res, } EXPORT_SYMBOL_GPL(devres_get); =20 +bool devres_node_remove(struct device *dev, struct devres_node *node) +{ + struct devres_node *__node; + + guard(spinlock_irqsave)(&dev->devres_lock); + list_for_each_entry_reverse(__node, &dev->devres_head, entry) { + if (__node =3D=3D node) { + list_del_init(&node->entry); + devres_log(dev, node, "REM"); + return true; + } + } + + return false; +} +EXPORT_SYMBOL_GPL(devres_node_remove); + /** * devres_remove - Find a device resource and remove it * @dev: Device to find resource from --=20 2.52.0