qed: Fix potential memory corruption
A stuck ramrod should be deleted from the completion_pending list, otherwise it will be added again in the future and corrupt the list. Return error value to inform that ramrod is stuck and should be deleted. Signed-off-by: NSagiv Ozeri <sagiv.ozeri@cavium.com> Signed-off-by: NDenis Bolotin <denis.bolotin@cavium.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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