From: Ngai-Mint Kwan <[email protected]>
Getting coalesce settings while reset is in progress can cause NULL
pointer deference bug.
If under reset, abort get coalesce for ethtool.
Fixes: 67fe64d78c437 ("ice: Implement getting and setting ethtool coalesce")
Signed-off-by: Ngai-Mint Kwan <[email protected]>
Reviewed-by: Mateusz Polchlopek <[email protected]>
Signed-off-by: Pawel Chmielewski <[email protected]>
---
Changes since v1:
* Added "Fixes:" tag
* targeting iwl-net instead of iwl-next
---
---
drivers/net/ethernet/intel/ice/ice_ethtool.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c
b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index bde9bc74f928..2d565cc484a0 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -3747,6 +3747,9 @@ __ice_get_coalesce(struct net_device *netdev, struct
ethtool_coalesce *ec,
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
+ if (ice_is_reset_in_progress(vsi->back->state))
+ return -EBUSY;
+
if (q_num < 0)
q_num = 0;
--
2.37.3
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