Commit de70981f295e ("gve: unlink old napi when stopping a queue using
queue API") unlinks the old napi when stopping a queue. But this breaks
QPL mode of the driver which does not use page pool. Fix this by checking
that there's a page pool associated with the ring.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: de70981f295e ("gve: unlink old napi when stopping a queue using queue API")
Reviewed-by: Joshua Washington <joshwash@xxxxxxxxxx>
Signed-off-by: Harshitha Ramamurthy <hramamurthy@xxxxxxxxxx>
---
drivers/net/ethernet/google/gve/gve_rx_dqo.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/google/gve/gve_rx_dqo.c b/drivers/net/ethernet/google/gve/gve_rx_dqo.c
index 2c03c39..0fcf4c9 100644
--- a/drivers/net/ethernet/google/gve/gve_rx_dqo.c
+++ b/drivers/net/ethernet/google/gve/gve_rx_dqo.c
@@ -114,7 +114,8 @@ void gve_rx_stop_ring_dqo(struct gve_priv *priv, int idx)
if (!gve_rx_was_added_to_block(priv, idx))
return;
- page_pool_disable_direct_recycling(rx->dqo.page_pool);
+ if (rx->dqo.page_pool)
+ page_pool_disable_direct_recycling(rx->dqo.page_pool);
gve_remove_napi(priv, ntfy_idx);
gve_rx_remove_from_block(priv, idx);
gve_rx_reset_ring_dqo(priv, idx);
--
2.49.0.rc1.451.g8f38331e32-goog
