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Sagi Grimberg authored
This patch converts to allocate PI contexts dynamically in order avoid a potentially bogus np->tpg_np and associated NULL pointer dereference in isert_connect_request() during iser-target endpoint shutdown with multiple network portals. Also, there is really no need to allocate these at connection establishment since it is not guaranteed that all the IOs on that connection will be to a PI formatted device. We can do it in a lazy fashion so the initial burst will have a transient slow down, but very fast all IOs will allocate a PI context. Squashed: iser-target: Centralize PI context handling code Signed-off-by:
Sagi Grimberg <sagig@mellanox.com> Cc: <stable@vger.kernel.org> # v3.14+ Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
570db170