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 6D3FE1448D2; Thu, 13 Jun 2024 12:28:12 +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=1718281692; cv=none; b=qR4T1GZxOwKNZ7gnQ0Jda0B9mteMcGGzZFYri65gqE2DbymDRsol51a7fQivsykvhqt79idBYX4l17ixpz4Vb7BtlORCWgo+6FTtU15Np6Kbc4h5QW5j8J17LmiLFTqIofKQZH0We4zTNipYj3GwZ4neobF6pPZlXwKVCox5KPY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718281692; c=relaxed/simple; bh=5Q/ctb280NdUqKhlKkVatuHfYVHEN7jVFdxyodjZuN0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IPRi8yS/J9CQUdGUzfeTRpsUdP/jTbSVcFlQOlIdR7DXm/qCzsfrHk5QHKT5wQq3eF++OmnJsfHTGuSl0x+sALIYY6EvcyM3WrhyGn/6Mp7n02tqNN/3adB4IpWbXCom4ZKwavmWl6z7e81AxA3obxvTkRwn9lcM9NfR95Zprfw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=VwOdsgu+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="VwOdsgu+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E83A0C32786; Thu, 13 Jun 2024 12:28:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1718281692; bh=5Q/ctb280NdUqKhlKkVatuHfYVHEN7jVFdxyodjZuN0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VwOdsgu+rqVrs2VZwkRKlG4t/geuhw3utVuEhUtqHoM9WC9Ui/khzv6zjpexnvAZn Vyyfv05Two2Y9Jyb6RsQ/U0eC4PX/yI5D6Oc/CLEWc6SbzH/soqOHfgcATeMPfTVqY dkkEN8esVeUjxfXsL2lIEHeG+f/FyMTWRMfl37mM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Matti Vaittinen , Mark Brown , Sasha Levin Subject: [PATCH 5.15 024/402] regulator: irq_helpers: duplicate IRQ name Date: Thu, 13 Jun 2024 13:29:41 +0200 Message-ID: <20240613113303.084685422@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240613113302.116811394@linuxfoundation.org> References: <20240613113302.116811394@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org 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: 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