The function bnxt_vnic_rss_configure_thor() returns early when all receive queues are stopped without releasing the hwrm spinlock, which causes subsequent HWRM operations to hang. Fix by ensuring that the lock is released before returning from this function.
Fixes: 38412304b50a ("net/bnxt: enable RSS for thor-based controllers") Cc: sta...@dpdk.org Signed-off-by: Lance Richardson <lance.richard...@broadcom.com> Reviewed-by: Ajit Kumar Khaparde <ajit.khapa...@broadcom.com> Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com> --- drivers/net/bnxt/bnxt_hwrm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c index ab6cb1dc3..bb4dcf4b2 100644 --- a/drivers/net/bnxt/bnxt_hwrm.c +++ b/drivers/net/bnxt/bnxt_hwrm.c @@ -4337,8 +4337,10 @@ bnxt_vnic_rss_configure_thor(struct bnxt *bp, struct bnxt_vnic_info *vnic) } /* Return if no rings are active. */ - if (cnt == max_rings) + if (cnt == max_rings) { + HWRM_UNLOCK(); return 0; + } /* Add rx/cp ring pair to RSS table. */ rxr = rxqs[k]->rx_ring; -- 2.17.1