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If bnxt_hwrm_ring_free() is called during a failure path in bnxt_open(), it is possible that the completion rings have not been allocated yet. In that case, the completion doorbell has not been initialized, and calling bnxt_disable_int() will crash. Fix it by checking that the completion ring has been initialized before writing to the completion ring doorbell. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.