When a dev_loss_tmo event occurs, an ndlp lock is taken before checking
nlp_flag for NLP_DROPPED.  There is an attempt to restore the ndlp lock
when exiting the if statement, but the nlp_put kref could be the final
decrement causing a use-after-free memory access on a released ndlp object.

Instead of trying to reacquire the ndlp lock after checking nlp_flag, just
return after calling nlp_put.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230908211852.37576-1-justintee8345@gmail.comReviewed-by: "Ewan D. Milne" <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>