20 files changed, 138 insertions, 59 deletions

diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index e67aeac2aee0..4b74c97d297a 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -136,6 +136,9 @@ drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
 
 void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
 
+void
+drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret);
+
 int __must_check drm_atomic_check_only(struct drm_atomic_state *state);
 int __must_check drm_atomic_commit(struct drm_atomic_state *state);
 int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 9c747cb14ad8..d2f41477f8ae 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -342,10 +342,10 @@ int kvm_vgic_inject_mapped_irq(struct kvm *kvm, int cpuid,
                                struct irq_phys_map *map, bool level);
 void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg);
 int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu);
-int kvm_vgic_vcpu_active_irq(struct kvm_vcpu *vcpu);
 struct irq_phys_map *kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu,
                                            int virt_irq, int irq);
 int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, struct irq_phys_map *map);
+bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, struct irq_phys_map *map);
 
 #define irqchip_in_kernel(k)    (!!((k)->arch.vgic.in_kernel))
 #define vgic_initialized(k)     (!!((k)->arch.vgic.nr_cpus))
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 3fe27f8d91f0..c0d2b7927c1f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -794,6 +794,8 @@ extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t,
 extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
                          struct scsi_ioctl_command __user *);
 
+extern int blk_queue_enter(struct request_queue *q, gfp_t gfp);
+extern void blk_queue_exit(struct request_queue *q);
 extern void blk_start_queue(struct request_queue *q);
 extern void blk_stop_queue(struct request_queue *q);
 extern void blk_sync_queue(struct request_queue *q);
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index a8a335b7fce0..758a029011b1 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -197,6 +197,16 @@ static inline struct configfs_subsystem *to_configfs_subsystem(struct config_gro
 int configfs_register_subsystem(struct configfs_subsystem *subsys);
 void configfs_unregister_subsystem(struct configfs_subsystem *subsys);
 
+int configfs_register_group(struct config_group *parent_group,
+                            struct config_group *group);
+void configfs_unregister_group(struct config_group *group);
+
+struct config_group *
+configfs_register_default_group(struct config_group *parent_group,
+                                const char *name,
+                                struct config_item_type *item_type);
+void configfs_unregister_default_group(struct config_group *group);
+
 /* These functions can sleep and can alloc with GFP_KERNEL */
 /* WARNING: These cannot be called underneath configfs callbacks!! */
 int configfs_depend_item(struct configfs_subsystem *subsys, struct config_item *target);
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 6523109e136d..8942af0813e3 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -271,7 +271,7 @@ static inline int gfpflags_to_migratetype(const gfp_t gfp_flags)
 
 static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
 {
-        return gfp_flags & __GFP_DIRECT_RECLAIM;
+        return (bool __force)(gfp_flags & __GFP_DIRECT_RECLAIM);
 }
 
 #ifdef CONFIG_HIGHMEM
diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h
index e6982ac3200d..a57f0dfb6db7 100644
--- a/include/linux/marvell_phy.h
+++ b/include/linux/marvell_phy.h
@@ -16,6 +16,7 @@
 #define MARVELL_PHY_ID_88E1318S         0x01410e90
 #define MARVELL_PHY_ID_88E1116R         0x01410e40
 #define MARVELL_PHY_ID_88E1510          0x01410dd0
+#define MARVELL_PHY_ID_88E1540          0x01410eb0
 #define MARVELL_PHY_ID_88E3016          0x01410e60
 
 /* struct phy_device dev_flags definitions */
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index dd2097455a2e..1565324eb620 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -453,26 +453,28 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits {
         u8         lro_cap[0x1];
         u8         lro_psh_flag[0x1];
         u8         lro_time_stamp[0x1];
-        u8         reserved_0[0x6];
+        u8         reserved_0[0x3];
+        u8         self_lb_en_modifiable[0x1];
+        u8         reserved_1[0x2];
         u8         max_lso_cap[0x5];
-        u8         reserved_1[0x4];
+        u8         reserved_2[0x4];
         u8         rss_ind_tbl_cap[0x4];
-        u8         reserved_2[0x3];
+        u8         reserved_3[0x3];
         u8         tunnel_lso_const_out_ip_id[0x1];
-        u8         reserved_3[0x2];
+        u8         reserved_4[0x2];
         u8         tunnel_statless_gre[0x1];
         u8         tunnel_stateless_vxlan[0x1];
 
-        u8         reserved_4[0x20];
+        u8         reserved_5[0x20];
 
-        u8         reserved_5[0x10];
+        u8         reserved_6[0x10];
         u8         lro_min_mss_size[0x10];
 
-        u8         reserved_6[0x120];
+        u8         reserved_7[0x120];
 
         u8         lro_timer_supported_periods[4][0x20];
 
-        u8         reserved_7[0x600];
+        u8         reserved_8[0x600];
 };
 
 struct mlx5_ifc_roce_cap_bits {
@@ -4051,9 +4053,11 @@ struct mlx5_ifc_modify_tis_in_bits {
 };
 
 struct mlx5_ifc_modify_tir_bitmask_bits {
-        u8         reserved[0x20];
+        u8         reserved_0[0x20];
 
-        u8         reserved1[0x1f];
+        u8         reserved_1[0x1b];
+        u8         self_lb_en[0x1];
+        u8         reserved_2[0x3];
         u8         lro[0x1];
 };
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d20891465247..67bfac1abfc1 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2068,20 +2068,23 @@ struct pcpu_sw_netstats {
         struct u64_stats_sync   syncp;
 };
 
-#define netdev_alloc_pcpu_stats(type)                           \
-({                                                              \
-        typeof(type) __percpu *pcpu_stats = alloc_percpu(type); \
-        if (pcpu_stats) {                                       \
-                int __cpu;                                      \
-                for_each_possible_cpu(__cpu) {                  \
-                        typeof(type) *stat;                     \
-                        stat = per_cpu_ptr(pcpu_stats, __cpu);  \
-                        u64_stats_init(&stat->syncp);           \
-                }                                               \
-        }                                                       \
-        pcpu_stats;                                             \
+#define __netdev_alloc_pcpu_stats(type, gfp)                            \
+({                                                                      \
+        typeof(type) __percpu *pcpu_stats = alloc_percpu_gfp(type, gfp);\
+        if (pcpu_stats) {                                               \
+                int __cpu;                                              \
+                for_each_possible_cpu(__cpu) {                          \
+                        typeof(type) *stat;                             \
+                        stat = per_cpu_ptr(pcpu_stats, __cpu);          \
+                        u64_stats_init(&stat->syncp);                   \
+                }                                                       \
+        }                                                               \
+        pcpu_stats;                                                     \
 })
 
+#define netdev_alloc_pcpu_stats(type)                                   \
+        __netdev_alloc_pcpu_stats(type, GFP_KERNEL);
+
 #include <linux/notifier.h>
 
 /* netdevice notifier chain. Please remember to update the rtnetlink
@@ -3854,6 +3857,11 @@ static inline bool netif_is_bridge_master(const struct net_device *dev)
         return dev->priv_flags & IFF_EBRIDGE;
 }
 
+static inline bool netif_is_bridge_port(const struct net_device *dev)
+{
+        return dev->priv_flags & IFF_BRIDGE_PORT;
+}
+
 static inline bool netif_is_ovs_master(const struct net_device *dev)
 {
         return dev->priv_flags & IFF_OPENVSWITCH;
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index 48bb01edcf30..0e1f433cc4b7 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -421,7 +421,7 @@ extern void ip_set_free(void *members);
 extern int ip_set_get_ipaddr4(struct nlattr *nla,  __be32 *ipaddr);
 extern int ip_set_get_ipaddr6(struct nlattr *nla, union nf_inet_addr *ipaddr);
 extern size_t ip_set_elem_len(struct ip_set *set, struct nlattr *tb[],
-                              size_t len);
+                              size_t len, size_t align);
 extern int ip_set_get_extensions(struct ip_set *set, struct nlattr *tb[],
                                  struct ip_set_ext *ext);
 
diff --git a/include/linux/netfilter_ingress.h b/include/linux/netfilter_ingress.h
index 187feabe557c..5fcd375ef175 100644
--- a/include/linux/netfilter_ingress.h
+++ b/include/linux/netfilter_ingress.h
@@ -5,10 +5,13 @@
 #include <linux/netdevice.h>
 
 #ifdef CONFIG_NETFILTER_INGRESS
-static inline int nf_hook_ingress_active(struct sk_buff *skb)
+static inline bool nf_hook_ingress_active(const struct sk_buff *skb)
 {
-        return nf_hook_list_active(&skb->dev->nf_hooks_ingress,
-                                   NFPROTO_NETDEV, NF_NETDEV_INGRESS);
+#ifdef HAVE_JUMP_LABEL
+        if (!static_key_false(&nf_hooks_needed[NFPROTO_NETDEV][NF_NETDEV_INGRESS]))
+                return false;
+#endif
+        return !list_empty(&skb->dev->nf_hooks_ingress);
 }
 
 static inline int nf_hook_ingress(struct sk_buff *skb)
@@ -16,8 +19,8 @@ static inline int nf_hook_ingress(struct sk_buff *skb)
         struct nf_hook_state state;
 
         nf_hook_state_init(&state, &skb->dev->nf_hooks_ingress,
-                           NF_NETDEV_INGRESS, INT_MIN, NFPROTO_NETDEV, NULL,
-                           skb->dev, NULL, dev_net(skb->dev), NULL);
+                           NF_NETDEV_INGRESS, INT_MIN, NFPROTO_NETDEV,
+                           skb->dev, NULL, NULL, dev_net(skb->dev), NULL);
         return nf_hook_slow(skb, &state);
 }
 
diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h
index 36112cdd665a..b90d8ec57c1f 100644
--- a/include/linux/of_dma.h
+++ b/include/linux/of_dma.h
@@ -80,7 +80,7 @@ static inline int of_dma_router_register(struct device_node *np,
 static inline struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
                                                      const char *name)
 {
-        return NULL;
+        return ERR_PTR(-ENODEV);
 }
 
 static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
diff --git a/include/linux/signal.h b/include/linux/signal.h
index ab1e0392b5ac..92557bbce7e7 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -239,7 +239,6 @@ extern int sigprocmask(int, sigset_t *, sigset_t *);
 extern void set_current_blocked(sigset_t *);
 extern void __set_current_blocked(const sigset_t *);
 extern int show_unhandled_signals;
-extern int sigsuspend(sigset_t *);
 
 struct sigaction {
 #ifndef __ARCH_HAS_IRIX_SIGACTION
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 7c82e3b307a3..2037a861e367 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -158,6 +158,24 @@ size_t ksize(const void *);
 #endif
 
 /*
+ * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment.
+ * Intended for arches that get misalignment faults even for 64 bit integer
+ * aligned buffers.
+ */
+#ifndef ARCH_SLAB_MINALIGN
+#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
+#endif
+
+/*
+ * kmalloc and friends return ARCH_KMALLOC_MINALIGN aligned
+ * pointers. kmem_cache_alloc and friends return ARCH_SLAB_MINALIGN
+ * aligned pointers.
+ */
+#define __assume_kmalloc_alignment __assume_aligned(ARCH_KMALLOC_MINALIGN)
+#define __assume_slab_alignment __assume_aligned(ARCH_SLAB_MINALIGN)
+#define __assume_page_alignment __assume_aligned(PAGE_SIZE)
+
+/*
  * Kmalloc array related definitions
  */
 
@@ -286,8 +304,8 @@ static __always_inline int kmalloc_index(size_t size)
 }
 #endif /* !CONFIG_SLOB */
 
-void *__kmalloc(size_t size, gfp_t flags);
-void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags);
+void *__kmalloc(size_t size, gfp_t flags) __assume_kmalloc_alignment;
+void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags) __assume_slab_alignment;
 void kmem_cache_free(struct kmem_cache *, void *);
 
 /*
@@ -298,11 +316,11 @@ void kmem_cache_free(struct kmem_cache *, void *);
  * Note that interrupts must be enabled when calling these functions.
  */
 void kmem_cache_free_bulk(struct kmem_cache *, size_t, void **);
-bool kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **);
+int kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **);
 
 #ifdef CONFIG_NUMA
-void *__kmalloc_node(size_t size, gfp_t flags, int node);
-void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
+void *__kmalloc_node(size_t size, gfp_t flags, int node) __assume_kmalloc_alignment;
+void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node) __assume_slab_alignment;
 #else
 static __always_inline void *__kmalloc_node(size_t size, gfp_t flags, int node)
 {
@@ -316,12 +334,12 @@ static __always_inline void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t f
 #endif
 
 #ifdef CONFIG_TRACING
-extern void *kmem_cache_alloc_trace(struct kmem_cache *, gfp_t, size_t);
+extern void *kmem_cache_alloc_trace(struct kmem_cache *, gfp_t, size_t) __assume_slab_alignment;
 
 #ifdef CONFIG_NUMA
 extern void *kmem_cache_alloc_node_trace(struct kmem_cache *s,
                                            gfp_t gfpflags,
-                                           int node, size_t size);
+                                           int node, size_t size) __assume_slab_alignment;
 #else
 static __always_inline void *
 kmem_cache_alloc_node_trace(struct kmem_cache *s,
@@ -354,10 +372,10 @@ kmem_cache_alloc_node_trace(struct kmem_cache *s,
 }
 #endif /* CONFIG_TRACING */
 
-extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order);
+extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order) __assume_page_alignment;
 
 #ifdef CONFIG_TRACING
-extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order);
+extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order) __assume_page_alignment;
 #else
 static __always_inline void *
 kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
@@ -482,15 +500,6 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
         return __kmalloc_node(size, flags, node);
 }
 
-/*
- * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment.
- * Intended for arches that get misalignment faults even for 64 bit integer
- * aligned buffers.
- */
-#ifndef ARCH_SLAB_MINALIGN
-#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
-#endif
-
 struct memcg_cache_array {
         struct rcu_head rcu;
         struct kmem_cache *entries[0];
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 5b04b0a5375b..5e31f1b99037 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -607,7 +607,7 @@ extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);
 
 /* tty_audit.c */
 #ifdef CONFIG_AUDIT
-extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
+extern void tty_audit_add_data(struct tty_struct *tty, const void *data,
                                size_t size, unsigned icanon);
 extern void tty_audit_exit(void);
 extern void tty_audit_fork(struct signal_struct *sig);
@@ -615,8 +615,8 @@ extern void tty_audit_tiocsti(struct tty_struct *tty, char ch);
 extern void tty_audit_push(struct tty_struct *tty);
 extern int tty_audit_push_current(void);
 #else
-static inline void tty_audit_add_data(struct tty_struct *tty,
-                unsigned char *data, size_t size, unsigned icanon)
+static inline void tty_audit_add_data(struct tty_struct *tty, const void *data,
+                                      size_t size, unsigned icanon)
 {
 }
 static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch)
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index aaf9700fc9e5..fb961a576abe 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -167,7 +167,8 @@ static inline void rt6_update_expires(struct rt6_info *rt0, int timeout)
 
 static inline u32 rt6_get_cookie(const struct rt6_info *rt)
 {
-        if (rt->rt6i_flags & RTF_PCPU || unlikely(rt->dst.flags & DST_NOCACHE))
+        if (rt->rt6i_flags & RTF_PCPU ||
+            (unlikely(rt->dst.flags & DST_NOCACHE) && rt->dst.from))
                 rt = (struct rt6_info *)(rt->dst.from);
 
         return rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index aaee6fa02cf1..ff788b665277 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -90,11 +90,12 @@ static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb,
         err = ip6_local_out(dev_net(skb_dst(skb)->dev), sk, skb);
 
         if (net_xmit_eval(err) == 0) {
-                struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
+                struct pcpu_sw_netstats *tstats = get_cpu_ptr(dev->tstats);
                 u64_stats_update_begin(&tstats->syncp);
                 tstats->tx_bytes += pkt_len;
                 tstats->tx_packets++;
                 u64_stats_update_end(&tstats->syncp);
+                put_cpu_ptr(tstats);
         } else {
                 stats->tx_errors++;
                 stats->tx_aborted_errors++;
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index f6dafec9102c..62a750a6a8f8 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -287,12 +287,13 @@ static inline void iptunnel_xmit_stats(int err,
                                        struct pcpu_sw_netstats __percpu *stats)
 {
         if (err > 0) {
-                struct pcpu_sw_netstats *tstats = this_cpu_ptr(stats);
+                struct pcpu_sw_netstats *tstats = get_cpu_ptr(stats);
 
                 u64_stats_update_begin(&tstats->syncp);
                 tstats->tx_bytes += err;
                 tstats->tx_packets++;
                 u64_stats_update_end(&tstats->syncp);
+                put_cpu_ptr(tstats);
         } else if (err < 0) {
                 err_stats->tx_errors++;
                 err_stats->tx_aborted_errors++;
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index c9149cc0a02d..4bd7508bedc9 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -618,6 +618,8 @@ struct nft_expr_ops {
         void                            (*eval)(const struct nft_expr *expr,
                                                 struct nft_regs *regs,
                                                 const struct nft_pktinfo *pkt);
+        int                             (*clone)(struct nft_expr *dst,
+                                                 const struct nft_expr *src);
         unsigned int                    size;
 
         int                             (*init)(const struct nft_ctx *ctx,
@@ -660,10 +662,20 @@ void nft_expr_destroy(const struct nft_ctx *ctx, struct nft_expr *expr);
 int nft_expr_dump(struct sk_buff *skb, unsigned int attr,
                   const struct nft_expr *expr);
 
-static inline void nft_expr_clone(struct nft_expr *dst, struct nft_expr *src)
+static inline int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src)
 {
+        int err;
+
         __module_get(src->ops->type->owner);
-        memcpy(dst, src, src->ops->size);
+        if (src->ops->clone) {
+                dst->ops = src->ops;
+                err = src->ops->clone(dst, src);
+                if (err < 0)
+                        return err;
+        } else {
+                memcpy(dst, src, src->ops->size);
+        }
+        return 0;
 }
 
 /**
diff --git a/include/net/sock.h b/include/net/sock.h
index bbf7c2cf15b4..7f89e4ba18d1 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2226,6 +2226,31 @@ static inline bool sk_listener(const struct sock *sk)
         return (1 << sk->sk_state) & (TCPF_LISTEN | TCPF_NEW_SYN_RECV);
 }
 
+/**
+ * sk_state_load - read sk->sk_state for lockless contexts
+ * @sk: socket pointer
+ *
+ * Paired with sk_state_store(). Used in places we do not hold socket lock :
+ * tcp_diag_get_info(), tcp_get_info(), tcp_poll(), get_tcp4_sock() ...
+ */
+static inline int sk_state_load(const struct sock *sk)
+{
+        return smp_load_acquire(&sk->sk_state);
+}
+
+/**
+ * sk_state_store - update sk->sk_state
+ * @sk: socket pointer
+ * @newstate: new state
+ *
+ * Paired with sk_state_load(). Should be used in contexts where
+ * state change might impact lockless readers.
+ */
+static inline void sk_state_store(struct sock *sk, int newstate)
+{
+        smp_store_release(&sk->sk_state, newstate);
+}
+
 void sock_enable_timestamp(struct sock *sk, int flag);
 int sock_get_timestamp(struct sock *, struct timeval __user *);
 int sock_get_timestampns(struct sock *, struct timespec __user *);
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index bc865e244efe..1d22ce9f352e 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -323,7 +323,7 @@ static inline int switchdev_port_fdb_dump(struct sk_buff *skb,
                                           struct net_device *filter_dev,
                                           int idx)
 {
-        return -EOPNOTSUPP;
+       return idx;
 }
 
 static inline void switchdev_port_fwd_mark_set(struct net_device *dev,