From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Cc: guptarud@gmail.com, "Bjorn Andersson" <andersson@kernel.org>,
"Konrad Dybcio" <konradybcio@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org
Subject: Re: [PATCH v4 5/6] iio: accel: Prevent NULL pointer dereference in interrupt setup
Date: Tue, 25 Nov 2025 13:14:37 +0200 [thread overview]
Message-ID: <aSWPnRBRdPS8vnir@smile.fi.intel.com> (raw)
In-Reply-To: <d3318386-2646-4f1c-ab4b-6ae3bc71e9bb@oss.qualcomm.com>
On Tue, Nov 25, 2025 at 11:45:22AM +0100, Konrad Dybcio wrote:
> On 11/25/25 12:35 AM, Rudraksha Gupta via B4 Relay wrote:
> >
> > The bmc150_accel_set_interrupt() function assumes that the interrupt
> > info is provided. However, when no IRQ is provided, the info pointer
> > remains NULL, leading to a kernel oops:
>
> Hm, are you sure your device really doesn't have a pin connected to
> the IC's interrupt line?
I don't know the actual case here, but in general such a design occurred
in real life. So, shouldn't be a surprise to see another polling only mode
connection like this.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2025-11-25 11:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-24 23:35 [PATCH v4 0/6] ARM: dts: qcom: msm8960: expressatt: Add more peripherals Rudraksha Gupta via B4 Relay
2025-11-24 23:35 ` [PATCH v4 1/6] ARM: dts: qcom: msm8960: Add GSBI2 & GSBI7 Rudraksha Gupta via B4 Relay
2025-11-24 23:35 ` [PATCH v4 2/6] ARM: dts: qcom: msm8960: expressatt: Add Light/Proximity Sensor Rudraksha Gupta via B4 Relay
2025-11-24 23:35 ` [PATCH v4 3/6] ARM: dts: qcom: msm8960: expressatt: Add NFC Rudraksha Gupta via B4 Relay
2025-11-24 23:35 ` [PATCH v4 4/6] ARM: dts: qcom: msm8960: expressatt: Add Magnetometer Rudraksha Gupta via B4 Relay
2025-11-24 23:35 ` [PATCH v4 5/6] iio: accel: Prevent NULL pointer dereference in interrupt setup Rudraksha Gupta via B4 Relay
2025-11-25 10:45 ` Konrad Dybcio
2025-11-25 11:14 ` Andy Shevchenko [this message]
2025-11-25 21:23 ` Rudraksha Gupta
2025-11-27 18:38 ` Konrad Dybcio
2025-11-27 18:55 ` Andy Shevchenko
2025-12-01 0:44 ` Rudraksha Gupta
2025-11-24 23:35 ` [PATCH v4 6/6] ARM: dts: qcom: msm8960: expressatt: Add Accelerometer Rudraksha Gupta via B4 Relay
2025-11-25 10:48 ` [PATCH v4 0/6] ARM: dts: qcom: msm8960: expressatt: Add more peripherals Konrad Dybcio
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