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 1654A416505; Sat, 28 Feb 2026 17:45:09 +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=1772300709; cv=none; b=QncT2NtQYhJGqFFa6SqfHrsVlE+pvUzVrUHIesHizBoYZ8TufkdVSq6EMaZNUaX8RaP+Qb6vuIKnrjiXrDJB9VL6dxVGJHbz+5J0h5ND8Y5E+xgDdh5vVDaT/j7kvgtPa4s3hDvjiaaTmuL0e3gaVZSVRzoQx5vj0z8tV6DxtrE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300709; c=relaxed/simple; bh=+Ste2ttJfZAd6L9l4wmVUyZ5HJ1zQqi8hqqC0X2Ssoo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CStrQZwb5FmqkQjvtqAet2YNufWvBqlTv+2tWuCelvUOoftaULN7jve5so/8RqPYUfXgrSigt9/21/GLCFDC9aPasm2iy6ypE+dEOstxNyPzRNoDexKGgO5YAotzs6SjaxHWWhTAR+L6dVyT2EqbsH+B76YAxqFFOdzE5ga0XYE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=S13CKTwj; 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="S13CKTwj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4BF4FC19423; Sat, 28 Feb 2026 17:45:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300709; bh=+Ste2ttJfZAd6L9l4wmVUyZ5HJ1zQqi8hqqC0X2Ssoo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S13CKTwjuFfVlA+LG/p4SjQdue+VuljfHRj7/m1LxX1Lxfao5U9yWMbwIVzfsN36S UjOjoy9qo+2u10/B50+++Nlso2jML9aMVM8IIzGi05Y43z0m6weRIGbFoqwTSpFPJj 8CEcCTG3FnIi3pe8dGWGN02U7m+zJpGTz59WwXn5lsdE1ixIhEBLsmHEJXjbYgdycZ jecP6rTPIc6+QQgt7Fjvr6iiQsw8pDnV3P7xM42t/kSztYdR3+WeEtPD2FnGWOA/yT FSu9IXQhYSb/UJ+DvjhnLuU9KKgB+obbCoOYRtb0EtsYOw1FZNlDfvzxESiFa5cMEi gBCnCuOsYFJDA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Johan Hovold , Andrew Davis , Greg Kroah-Hartman , Sasha Levin Subject: [PATCH 6.19 744/844] mux: mmio: fix regmap leak on probe failure Date: Sat, 28 Feb 2026 12:30:57 -0500 Message-ID: <20260228173244.1509663-745-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Johan Hovold [ Upstream commit 3c4ae63073d84abee5d81ce46d86a94e9dae9c89 ] The mmio regmap that may be allocated during probe is never freed. Switch to using the device managed allocator so that the regmap is released on probe failures (e.g. probe deferral) and on driver unbind. Fixes: 61de83fd8256 ("mux: mmio: Do not use syscon helper to build regmap") Cc: stable@vger.kernel.org # 6.16 Cc: Andrew Davis Signed-off-by: Johan Hovold Acked-by: Andrew Davis Link: https://patch.msgid.link/20251127134702.1915-1-johan@kernel.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/mux/mmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mux/mmio.c b/drivers/mux/mmio.c index 3409af1ffb80f..0611ef28bb69a 100644 --- a/drivers/mux/mmio.c +++ b/drivers/mux/mmio.c @@ -72,7 +72,7 @@ static int mux_mmio_probe(struct platform_device *pdev) if (IS_ERR(base)) regmap = ERR_PTR(-ENODEV); else - regmap = regmap_init_mmio(dev, base, &mux_mmio_regmap_cfg); + regmap = devm_regmap_init_mmio(dev, base, &mux_mmio_regmap_cfg); /* Fallback to checking the parent node on "real" errors. */ if (IS_ERR(regmap) && regmap != ERR_PTR(-EPROBE_DEFER)) { regmap = dev_get_regmap(dev->parent, NULL); -- 2.51.0