From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 4ECFB3ABD88 for ; Fri, 11 Sep 2026 02:14:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789092849; cv=none; b=mMlOl+n8PQ4pL2p4JXAsHLblYMCRakBoP6MTkmts73OiJaRYe8ZLmNMoSHGWYayZkOTPERoCySUqAG8Id8p6I9GLQQ2ZvHtdKiskLxUzwqx4dXswdCzmS2M4IrqdruCKgx8TVvzifqM+TY2bRpquwtG+CqWQtJtgm4em/G6j/tw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789092849; c=relaxed/simple; bh=zj1oTPKLxympaGY3rMhUWW+F4nP1AriNt92Sq2qC6Kk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FsGnQzP0ViBXGzSJTrljYFutmTg8CrxaOOrtEjQFCWJ4QBT8VdISvbf3GpiBzAultd+oTYfnJ/ym0Kr3FkJGBmKUUVP2flTauly1gZvAXR47aa4ObUEJu++H/fEJMe62aAOsUf+Avrd6SVcPtNScnt2u8RJdj5hwAR/Xdt4bVpQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EMujAtCz; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EMujAtCz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A5521F000FF; Fri, 11 Sep 2026 02:14:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789092847; bh=fPvV10Y8dPUlW5HNDZneRY1k/WFGkBrDcIvkMl9CEDU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=EMujAtCzCm/nRyWd2kQn76wGjTQmP9QtAodPbev+6Zqi5+YoNcFdZImpLNan20mtb os04e0mTd2UGwmXzzQ+IcufmpvdLtVLcYqixcE8wLsy5Gym7CXc9EnulmapWXIvZlA N9gt3r5zHgemKwkTLtcu28/ndGeXmWVzBWt0NJRrv+4d6JFLroeLLBqNmxKCPn9hcG VZXlvd3QARQoPvc9wF/evuelRugDpsAHx9qXK/jpMYPnnG+WReiq++A59aM3P+HPrt YZ0m6z5fDwfFmgdZsjzudphl6wv6nDO1ZfbNv+V0eEj4FLc60bg4/r1dsy+WwaNdyK 12VFFTw8iubuQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Rupesh Majhi , Jonathan Cameron , Sasha Levin Subject: [PATCH 6.1.y] iio: pressure: dps310: fix NULL pointer dereference on ACPI probe Date: Thu, 10 Sep 2026 22:14:05 -0400 Message-ID: <20260911021405.42692-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <2026090922-unread-confused-555a@gregkh> References: <2026090922-unread-confused-555a@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Rupesh Majhi [ Upstream commit 26e9213898fc949923188ef0aeea31fc87708836 ] When the device is enumerated through its ACPI HID (IFX3100), i2c_client_get_device_id() returns NULL: the ACPI-derived client name does not match the driver's i2c_device_id table. dps310_probe() then dereferences that NULL pointer in "iio->name = id->name" and crashes the kernel during probe. The IIO device name is always "dps310", so set it directly and drop the now-unused device-id lookup. Fixes: 72ff282819d0 ("iio: pressure: dps310: Add ACPI HID table") Cc: stable@vger.kernel.org Signed-off-by: Rupesh Majhi Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/iio/pressure/dps310.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/pressure/dps310.c b/drivers/iio/pressure/dps310.c index 519fcd425b6a3..0057e14a45ddc 100644 --- a/drivers/iio/pressure/dps310.c +++ b/drivers/iio/pressure/dps310.c @@ -843,7 +843,7 @@ static int dps310_probe(struct i2c_client *client, data->client = client; mutex_init(&data->lock); - iio->name = id->name; + iio->name = DPS310_DEV_NAME; iio->channels = dps310_channels; iio->num_channels = ARRAY_SIZE(dps310_channels); iio->info = &dps310_info; -- 2.53.0