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During HBA stress testing, a spam of received PLOGIs exposes a resource recovery bug causing leakage of lpfc_sqlq entries from the global phba->sli4_hba.lpfc_els_sgl_list. The issue is in lpfc_els_flush_cmd(), where the driver attempts to recover outstanding ELS sgls when walking the txcmplq. Only CMD_ELS_REQUEST64_CRs and CMD_GEN_REQUEST64_CRs are added to the abort and cancel lists. A check for CMD_XMIT_ELS_RSP64_WQE is missing in order to recover LS_ACC usages of the phba->sli4_hba.lpfc_els_sgl_list too. Fix by adding CMD_XMIT_ELS_RSP64_WQE as part of the txcmplq walk when adding WQEs to the abort and cancel list in lpfc_els_flush_cmd(). Also, update naming convention from CRs to WQEs. Signed-off-by: Justin Tee <justin.tee@broadcom.com> Link: https://lore.kernel.org/r/20240912232447.45607-2-justintee8345@gmail.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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 reStructuredText 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.