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25ee7e89d4
The variable dev is checked in: if (dev) This indicates that it can be NULL. If so, a null-pointer dereference will occur: priv = rtllib_priv(dev); However, the value of priv is not used in the remaining part of this function. Thus the else-branch can be removed to fix this posible null-pointer dereference. Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Tuo Li <islituo@gmail.com> Link: https://lore.kernel.org/r/20210811031135.4110-1-islituo@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
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.