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If a device reset fails for some reason, TX and RX queue resources could be released. If a user attempts to open the device in this scenario, it may result in a kernel panic as the driver tries to access this memory. To fix this, include a check before device login that TX/RX queues are still there before enabling the device. In addition, return a value that can be checked in case of any errors to avoid waiting for a completion that will never come. Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.