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18c3955323
commita430e67d9aupstream. The priv->response_length can hold the size of an response or an negative error code, and the tpm_common_read() needs to handle both cases correctly. Changed the type of response_length to signed and accounted for negative value in tpm_common_read(). Cc: stable@vger.kernel.org Fixes:d23d124843("tpm: fix invalid locking in NONBLOCKING mode") Reported-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.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.