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b325546ed6
commit baaef0a274cfb75f9b50eab3ef93205e604f662c upstream.
There are two variables that indicate the interrupt type to be used
in the next test execution, "irq_type" as global and "test->irq_type".
The global is referenced from pci_endpoint_test_get_irq() to preserve
the current type for ioctl(PCITEST_GET_IRQTYPE).
The type set in this function isn't reflected in the global "irq_type",
so ioctl(PCITEST_GET_IRQTYPE) returns the previous type.
As a result, the wrong type is displayed in old version of "pcitest"
as follows:
- Result of running "pcitest -i 0"
SET IRQ TYPE TO LEGACY: OKAY
- Result of running "pcitest -I"
GET IRQ TYPE: MSI
Whereas running the new version of "pcitest" in kselftest results in an
error as follows:
# RUN pci_ep_basic.LEGACY_IRQ_TEST ...
# pci_endpoint_test.c:104:LEGACY_IRQ_TEST:Expected 0 (0) == ret (1)
# pci_endpoint_test.c:104:LEGACY_IRQ_TEST:Can't get Legacy IRQ type
Fix this issue by propagating the current type to the global "irq_type".
Fixes: b2ba9225e031 ("misc: pci_endpoint_test: Avoid using module parameter to determine irqtype")
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250225110252.28866-5-hayashi.kunihiko@socionext.com
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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.
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.