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Recent commit on patchset "lpfc updates for 11.2.0.14" fixed an issue about dereferencing a NULL pointer on port reset. The specific commit, named "lpfc: Fix system crash when port is reset.", is missing a check against NULL pointer on lpfc_els_flush_cmd() though. Since we destroy the queues on adapter resets, like in PCI error recovery path, we need the validation present on this patch in order to avoid a NULL pointer dereference when trying to flush commands of ELS wq, after it has been destroyed (which would lead to a kernel oops). Tested-by: Raphael Silva <raphasil@linux.vnet.ibm.com> Signed-off-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com> Acked-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.