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There is a race between the CREQ tasklet and destroy qp when accessing the qp-handle table. There is a chance of reading a valid qp-handle in the CREQ tasklet handler while the QP is already moving ahead with the destruction. Fixing this race by implementing a table-lock to synchronize the access. Fixes:f218d67ef0("RDMA/bnxt_re: Allow posting when QPs are in error") Fixes:84cf229f40("RDMA/bnxt_re: Fix the qp table indexing") Link: https://patch.msgid.link/r/1728912975-19346-3-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>