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3f13f72787
Remove the WARN_ON(did == 0) as the domain id 0 is reserved and set once the domain_ids is allocated. So iommu_init_domains will never return 0. Remove the WARN_ON(!table) as this pointer will be accessed in the following code, if empty "table" really happens, the kernel will report a NULL pointer reference warning at the first place. Signed-off-by: Yanfei Xu <yanfei.xu@intel.com> Link: https://lore.kernel.org/r/20230605112659.308981-3-yanfei.xu@intel.com Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.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.