6.11-stable review patch. If anyone has any objections, please let me know.
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From: Kashyap Desai kashyap.desai@broadcom.com
[ Upstream commit 87b4d8d28f6af8fc62766a8af7a5467b37053dfa ]
Currently driver is not getting correct srq. Dereference only if qplib has a valid srq.
Fixes: b02fd3f79ec3 ("RDMA/bnxt_re: Report async events and errors") Link: https://patch.msgid.link/r/1728373302-19530-4-git-send-email-selvin.xavier@b... Reviewed-by: Saravanan Vajravel saravanan.vajravel@broadcom.com Reviewed-by: Chandramohan Akula chandramohan.akula@broadcom.com Signed-off-by: Kashyap Desai kashyap.desai@broadcom.com Signed-off-by: Selvin Xavier selvin.xavier@broadcom.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/bnxt_re/main.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 2a450d7ad1990..e06adb2dfe6f9 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -1012,12 +1012,15 @@ static int bnxt_re_handle_unaffi_async_event(struct creq_func_event static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event, struct bnxt_re_qp *qp) { - struct bnxt_re_srq *srq = container_of(qp->qplib_qp.srq, struct bnxt_re_srq, - qplib_srq); struct creq_qp_error_notification *err_event; + struct bnxt_re_srq *srq = NULL; struct ib_event event = {}; unsigned int flags;
+ if (qp->qplib_qp.srq) + srq = container_of(qp->qplib_qp.srq, struct bnxt_re_srq, + qplib_srq); + if (qp->qplib_qp.state == CMDQ_MODIFY_QP_NEW_STATE_ERR && rdma_is_kernel_res(&qp->ib_qp.res)) { flags = bnxt_re_lock_cqs(qp);