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 A430E86242; Tue, 7 May 2024 23:10:37 +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=1715123437; cv=none; b=UsElZzRtIAWWxXxcktHIGTQus/grcgNZJr6emS8mwjevjWecAAR/vdrnh78LZL8x6DEMBNnnrHUDbFaAVP5aEj2b/BfpG822uhnJ2D7QoDSwt2jc5mdfLq9FPMKY0lswGco/SoxDVOHHL9i/xn12sBPDt6O7loJHyqeJB/s+FuQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715123437; c=relaxed/simple; bh=5035YfqJvmdZ7+1bWo3KgAUQmy86nDyJRs/SDTLghno=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GVjZoyj+W1UbXzpP9j+dsx4O9t9QromLFGZJ5ZxvgzRt7VDEcC648nv2uXZ7lmxjkbrapogc4gbV8lvOGJ+mDYHw49TSlqB+TJZClPyLwXfjSkzziznO3Fy9sp58PXw84/L1wNBqn44cjYr8wsprLXEoqDpIRKHhov8aGHRfuP8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kEVKT9wo; 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="kEVKT9wo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0BF7C2BBFC; Tue, 7 May 2024 23:10:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715123437; bh=5035YfqJvmdZ7+1bWo3KgAUQmy86nDyJRs/SDTLghno=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kEVKT9wor0upiM3ixseS/8XLj54HCNXafdGW6DpTU0LATfonN0+XOqpD56mjDU2Mi g1LEnwCU3dGzyOjVOAPr2+QZVFk+BMNMb5oQfNHKvAbeqmo8yVE2ZMBQTmI95srYVN IqHRvAUBOzLgNw32bETN09Fa8J5uw+QiQ83P+F14meGnPPzGHf3DUqdJdww4TbsOk9 jiLqvktg6n28WqmLXxzWcJAfuOjQPVnK39+6BdN5LrGdqpaFQ7QB3KkPRFgi/Uo/u9 6/ctcp5TXacS8CkEvl9LDJVqgF3V92vjs4fFBfUwqCldmRk5U7IAIseswrqqT0Ph0g Q0kogtulXmqkg== 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 6.6 02/43] regulator: irq_helpers: duplicate IRQ name Date: Tue, 7 May 2024 19:09:23 -0400 Message-ID: <20240507231033.393285-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240507231033.393285-1-sashal@kernel.org> References: <20240507231033.393285-1-sashal@kernel.org> 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 6.6.30 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 fe7ae0f3f46af..5ab1a0befe12f 100644 --- a/drivers/regulator/irq_helpers.c +++ b/drivers/regulator/irq_helpers.c @@ -352,6 +352,9 @@ 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