From fb4e61f9a52b27eae2b826c89516b703b0990620 Mon Sep 17 00:00:00 2001 From: Raju Rangoju Date: Wed, 18 Nov 2020 20:02:13 +0530 Subject: [PATCH] cxgb4: fix the panic caused by non smac rewrite SMT entry is allocated only when loopback Source MAC rewriting is requested. Accessing SMT entry for non smac rewrite cases results in kernel panic. Fix the panic caused by non smac rewrite Fixes: 6d7e87d769b6 ("cxgb4: set up filter action after rewrites") Signed-off-by: Raju Rangoju Link: https://lore.kernel.org/r/20201118143213.13319-1-rajur@chelsio.com Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index 4e55f70816443..83b46440408ba 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -880,7 +880,8 @@ int set_filter_wr(struct adapter *adapter, int fidx) FW_FILTER_WR_OVLAN_VLD_V(f->fs.val.ovlan_vld) | FW_FILTER_WR_IVLAN_VLDM_V(f->fs.mask.ivlan_vld) | FW_FILTER_WR_OVLAN_VLDM_V(f->fs.mask.ovlan_vld)); - fwr->smac_sel = f->smt->idx; + if (f->fs.newsmac) + fwr->smac_sel = f->smt->idx; fwr->rx_chan_rx_rpl_iq = htons(FW_FILTER_WR_RX_CHAN_V(0) | FW_FILTER_WR_RX_RPL_IQ_V(adapter->sge.fw_evtq.abs_id)); -- 2.39.5