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[ Upstream commit97b31a6f5f] With DEBUG_SHIRQ enabled we have a kernel crash [ 116.482696] BUG: kernel NULL pointer dereference, address: 0000000000000000 ... [ 116.606571] Call Trace: [ 116.609023] <IRQ> [ 116.611047] complete+0x34/0x50 [ 116.614206] bmp085_eoc_irq+0x9/0x10 [bmp280] because DEBUG_SHIRQ mechanism fires an IRQ before registration and drivers ought to be able to handle an interrupt happening before request_irq() returns. Fixes:aae9539496("iio: pressure: bmp280: add support for BMP085 EOC interrupt") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.