Messages in this thread Patch in this message | | | From | Wong Vee Khee <> | Subject | [PATCH net 1/1] net: stmmac: Use rtnl_lock/unlock on netif_set_real_num_rx_queues() call | Date | Thu, 12 Nov 2020 22:49:48 +0800 |
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Fix an issue where dump stack is printed on suspend resume flow due to netif_set_real_num_rx_queues() is not called with rtnl_lock held().
Fixes: 686cff3d7022 ("net: stmmac: Fix incorrect location to set real_num_rx|tx_queues") Reported-by: Christophe ROULLIER <christophe.roullier@st.com> Tested-by: Christophe ROULLIER <christophe.roullier@st.com> Cc: Alexandre TORGUE <alexandre.torgue@st.com> Reviewed-by: Ong Boon Leong <boon.leong.ong@intel.com> Signed-off-by: Wong Vee Khee <vee.khee.wong@intel.com> --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index ba855465a2db..33e280040000 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -5278,7 +5278,10 @@ int stmmac_resume(struct device *dev) stmmac_clear_descriptors(priv); + rtnl_lock(); stmmac_hw_setup(ndev, false); + rtnl_unlock(); + stmmac_init_coalesce(priv); stmmac_set_rx_mode(ndev); -- 2.17.0
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