[PATCH 4.19 008/211] nfp: flower: fix memory leak in nfp_flower_spawn_vnic_reprs

[Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>]

From: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>

[ Upstream commit 8ce39eb5a67aee25d9f05b40b673c95b23502e3e ]

In nfp_flower_spawn_vnic_reprs in the loop if initialization or the
allocations fail memory is leaked. Appropriate releases are added.

Fixes: b94524529741 ("nfp: flower: add per repr private data for LAG offload")
Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
Acked-by: Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/netronome/nfp/flower/main.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -373,6 +373,7 @@ nfp_flower_spawn_phy_reprs(struct nfp_ap
 		repr_priv = kzalloc(sizeof(*repr_priv), GFP_KERNEL);
 		if (!repr_priv) {
 			err = -ENOMEM;
+			nfp_repr_free(repr);
 			goto err_reprs_clean;
 		}
 
@@ -382,6 +383,7 @@ nfp_flower_spawn_phy_reprs(struct nfp_ap
 		port = nfp_port_alloc(app, NFP_PORT_PHYS_PORT, repr);
 		if (IS_ERR(port)) {
 			err = PTR_ERR(port);
+			kfree(repr_priv);
 			nfp_repr_free(repr);
 			goto err_reprs_clean;
 		}
@@ -399,6 +401,7 @@ nfp_flower_spawn_phy_reprs(struct nfp_ap
 		err = nfp_repr_init(app, repr,
 				    cmsg_port_id, port, priv->nn->dp.netdev);
 		if (err) {
+			kfree(repr_priv);
 			nfp_port_free(port);
 			nfp_repr_free(repr);
 			goto err_reprs_clean;