From mboxrd@z Thu Jan 1 00:00:00 1970 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 68C44133420; Tue, 7 May 2024 23:13:35 +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=1715123615; cv=none; b=CeunDSs4kw3Oj5M5IXe0vZLYSQhT73d3yB3VR8lPxO9oQJrBZHi+7sjnzml+MKta1J3oJZWnxwT8/GcqB/laQIDIvbd3YGKCaWlwZ41tM2sDZ+Ztr7UMHmrS88R5DzYj30jISkyQeIS3IiCJA84Kc4dLq4IBRQJ5WDGdeyoHzPY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715123615; c=relaxed/simple; bh=tOSD6YwehjScKGRVBf+sJXz0JkEtbWdrQrffexrQUL0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=g82Lt8E25uFmt/e/LksahDVqjACqGgdPeVsWst2jZuDqW/BxU7EXQUNEC8KGlbJBJHuel8dlloDsFM/LXkDuqu3tl4sS3yPbHJwXqjXMET9GPLQ4o/w3VfRK3VPPd5FTw9wm5uygDPve4SvpAKZSyE+hrJo05xxXoSSI7rh8N4g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aoP+dvam; 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="aoP+dvam" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89E4AC4AF17; Tue, 7 May 2024 23:13:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715123615; bh=tOSD6YwehjScKGRVBf+sJXz0JkEtbWdrQrffexrQUL0=; h=From:To:Cc:Subject:Date:From; b=aoP+dvam+lFnkxnm6a7LiTu2+pH7KxkSJJdibHdVRsD8bTG/mJSCRufBs6FuZ3lim 4SP9lgt4CrxvjalQEBaeQSMRJe88usOX80Xe4koovuFMTemYUzfHTcqUBZqKQLLrjm CtF9Y++Lofa/hY6xVsZ0HoF5Nr6WBTuoV89qxdumwbbUFwkq1ubOB8/93bWiR6cT0Y Np+6SjUkMpJaUL5XwfOQgFMzLJnrT0rKeqy3uLoB9LqYuRYqHo4jQ7ViLHR0Rwxujk ey95aORHFcR9SadDB7/qGwY5Qq43useIGlsx4q1XCrVy2iTTlJrJU8DpmmeDJIGDOq IoKULUKhHDvNg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Matti Vaittinen , Mark Brown , Sasha Levin , lgirdwood@gmail.com Subject: [PATCH AUTOSEL 5.15 01/15] regulator: irq_helpers: duplicate IRQ name Date: Tue, 7 May 2024 19:13:10 -0400 Message-ID: <20240507231333.394765-1-sashal@kernel.org> 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 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.158 Content-Transfer-Encoding: 8bit From: Matti Vaittinen [ Upstream commit 7ab681ddedd4b6dd2b047c74af95221c5f827e1d ] The regulator IRQ helper requires caller to provide pointer to IRQ name which is kept in memory by caller. All other data passed to the helper in the regulator_irq_desc structure is copied. This can cause some confusion and unnecessary complexity. Make the regulator_irq_helper() to copy also the provided IRQ name information so caller can discard the name after the call to regulator_irq_helper() completes. Signed-off-by: Matti Vaittinen Link: https://msgid.link/r/ZhJMuUYwaZbBXFGP@drtxq0yyyyyyyyyyyyydy-3.rev.dnainternet.fi Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/regulator/irq_helpers.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/regulator/irq_helpers.c b/drivers/regulator/irq_helpers.c index 5227644355750..a44a0b30a6516 100644 --- a/drivers/regulator/irq_helpers.c +++ b/drivers/regulator/irq_helpers.c @@ -350,6 +350,9 @@ void *regulator_irq_helper(struct device *dev, h->irq = irq; h->desc = *d; + h->desc.name = devm_kstrdup(dev, d->name, GFP_KERNEL); + if (!h->desc.name) + return ERR_PTR(-ENOMEM); ret = init_rdev_state(dev, h, rdev, common_errs, per_rdev_errs, rdev_amount); -- 2.43.0