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While the FCoE initiator driver invokes fc_exch_done() from inside the libfc response handler, FCoE target drivers typically invoke fc_exch_done() from outside the libfc response handler. The object fc_exch.arg points at may disappear as soon as fc_exch_done() has finished. So it's important not to invoke the response handler function after fc_exch_done() has finished. Modify libfc such that this guarantee is provided if fc_exch_done() is invoked from outside a response handler. This patch fixes a sporadic crash in FCoE target implementations after a command has been aborted. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Cc: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Robert Love <robert.w.love@intel.com> |
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