Patch "ice: Fix XDP memory leak when NIC is brought up and down" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    ice: Fix XDP memory leak when NIC is brought up and down

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ice-fix-xdp-memory-leak-when-nic-is-brought-up-and-d.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 7f5833cc1edddf34caad60f88d6c55f6c9f082b4
Author: Kamil Maziarz <kamil.maziarz@xxxxxxxxx>
Date:   Tue Jun 6 12:33:58 2023 +0200

    ice: Fix XDP memory leak when NIC is brought up and down
    
    [ Upstream commit 78c50d6961fc05491ebbc71c35d87324b1a4f49a ]
    
    Fix the buffer leak that occurs while switching
    the port up and down with traffic and XDP by
    checking for an active XDP program and freeing all empty TX buffers.
    
    Fixes: efc2214b6047 ("ice: Add support for XDP")
    Signed-off-by: Kamil Maziarz <kamil.maziarz@xxxxxxxxx>
    Tested-by: Chandan Kumar Rout <chandanx.rout@xxxxxxxxx> (A Contingent Worker at Intel)
    Acked-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
    Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 6a50f8ba3940c..4095fe40dfc9b 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -6784,6 +6784,10 @@ int ice_down(struct ice_vsi *vsi)
 	ice_for_each_txq(vsi, i)
 		ice_clean_tx_ring(vsi->tx_rings[i]);
 
+	if (ice_is_xdp_ena_vsi(vsi))
+		ice_for_each_xdp_txq(vsi, i)
+			ice_clean_tx_ring(vsi->xdp_rings[i]);
+
 	ice_for_each_rxq(vsi, i)
 		ice_clean_rx_ring(vsi->rx_rings[i]);
 



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