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05774d7e42
The 'if (!key && hash_location)' check in tcp_inbound_md5_hash() implies that hash_location might be null. However, later code in the function dereferences hash_location anyway, without checking for null first. Fortunately, there is no real bug, since tcp_inbound_md5_hash() is called only with non-null values of hash_location. Therefore, remove the unnecessary and misleading null check of hash_location. This silences a Smatch static checker warning (https://lore.kernel.org/netdev/aPi4b6aWBbBR52P1@stanley.mountain/) Also fix the related comment at the beginning of the function. Signed-off-by: Eric Biggers <ebiggers@kernel.org> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com> Link: https://patch.msgid.link/20251022221209.19716-1-ebiggers@kernel.org Signed-off-by: Jakub Kicinski <kuba@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 reStructuredText 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.