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platform_get_drvdata() cannot return NULL as the probe function calls platform_set_drvdata() with a non-NULL argument or returns with a failure. In the first case, platform_get_drvdata() returns this non-NULL value and in the second the remove callback isn't called at all. ath10k_ahb_priv() cannot return NULL and ar_ahb is unused after the check anyhow. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20230601082556.2738446-3-u.kleine-koenig@pengutronix.de
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.