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-rw-r--r--net/core/dev.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index af4a1b0adc10..2c1c67fad64d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2713,7 +2713,7 @@ static struct sk_buff *validate_xmit_skb(struct sk_buff *skb, struct net_device
2713 if (unlikely(!skb)) 2713 if (unlikely(!skb))
2714 goto out_null; 2714 goto out_null;
2715 2715
2716 if (netif_needs_gso(dev, skb, features)) { 2716 if (netif_needs_gso(skb, features)) {
2717 struct sk_buff *segs; 2717 struct sk_buff *segs;
2718 2718
2719 segs = skb_gso_segment(skb, features); 2719 segs = skb_gso_segment(skb, features);
@@ -3079,7 +3079,7 @@ static struct rps_dev_flow *
3079set_rps_cpu(struct net_device *dev, struct sk_buff *skb, 3079set_rps_cpu(struct net_device *dev, struct sk_buff *skb,
3080 struct rps_dev_flow *rflow, u16 next_cpu) 3080 struct rps_dev_flow *rflow, u16 next_cpu)
3081{ 3081{
3082 if (next_cpu != RPS_NO_CPU) { 3082 if (next_cpu < nr_cpu_ids) {
3083#ifdef CONFIG_RFS_ACCEL 3083#ifdef CONFIG_RFS_ACCEL
3084 struct netdev_rx_queue *rxqueue; 3084 struct netdev_rx_queue *rxqueue;
3085 struct rps_dev_flow_table *flow_table; 3085 struct rps_dev_flow_table *flow_table;
@@ -3184,7 +3184,7 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
3184 * If the desired CPU (where last recvmsg was done) is 3184 * If the desired CPU (where last recvmsg was done) is
3185 * different from current CPU (one in the rx-queue flow 3185 * different from current CPU (one in the rx-queue flow
3186 * table entry), switch if one of the following holds: 3186 * table entry), switch if one of the following holds:
3187 * - Current CPU is unset (equal to RPS_NO_CPU). 3187 * - Current CPU is unset (>= nr_cpu_ids).
3188 * - Current CPU is offline. 3188 * - Current CPU is offline.
3189 * - The current CPU's queue tail has advanced beyond the 3189 * - The current CPU's queue tail has advanced beyond the
3190 * last packet that was enqueued using this table entry. 3190 * last packet that was enqueued using this table entry.
@@ -3192,14 +3192,14 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
3192 * have been dequeued, thus preserving in order delivery. 3192 * have been dequeued, thus preserving in order delivery.
3193 */ 3193 */
3194 if (unlikely(tcpu != next_cpu) && 3194 if (unlikely(tcpu != next_cpu) &&
3195 (tcpu == RPS_NO_CPU || !cpu_online(tcpu) || 3195 (tcpu >= nr_cpu_ids || !cpu_online(tcpu) ||
3196 ((int)(per_cpu(softnet_data, tcpu).input_queue_head - 3196 ((int)(per_cpu(softnet_data, tcpu).input_queue_head -
3197 rflow->last_qtail)) >= 0)) { 3197 rflow->last_qtail)) >= 0)) {
3198 tcpu = next_cpu; 3198 tcpu = next_cpu;
3199 rflow = set_rps_cpu(dev, skb, rflow, next_cpu); 3199 rflow = set_rps_cpu(dev, skb, rflow, next_cpu);
3200 } 3200 }
3201 3201
3202 if (tcpu != RPS_NO_CPU && cpu_online(tcpu)) { 3202 if (tcpu < nr_cpu_ids && cpu_online(tcpu)) {
3203 *rflowp = rflow; 3203 *rflowp = rflow;
3204 cpu = tcpu; 3204 cpu = tcpu;
3205 goto done; 3205 goto done;
@@ -3240,14 +3240,14 @@ bool rps_may_expire_flow(struct net_device *dev, u16 rxq_index,
3240 struct rps_dev_flow_table *flow_table; 3240 struct rps_dev_flow_table *flow_table;
3241 struct rps_dev_flow *rflow; 3241 struct rps_dev_flow *rflow;
3242 bool expire = true; 3242 bool expire = true;
3243 int cpu; 3243 unsigned int cpu;
3244 3244
3245 rcu_read_lock(); 3245 rcu_read_lock();
3246 flow_table = rcu_dereference(rxqueue->rps_flow_table); 3246 flow_table = rcu_dereference(rxqueue->rps_flow_table);
3247 if (flow_table && flow_id <= flow_table->mask) { 3247 if (flow_table && flow_id <= flow_table->mask) {
3248 rflow = &flow_table->flows[flow_id]; 3248 rflow = &flow_table->flows[flow_id];
3249 cpu = ACCESS_ONCE(rflow->cpu); 3249 cpu = ACCESS_ONCE(rflow->cpu);
3250 if (rflow->filter == filter_id && cpu != RPS_NO_CPU && 3250 if (rflow->filter == filter_id && cpu < nr_cpu_ids &&
3251 ((int)(per_cpu(softnet_data, cpu).input_queue_head - 3251 ((int)(per_cpu(softnet_data, cpu).input_queue_head -
3252 rflow->last_qtail) < 3252 rflow->last_qtail) <
3253 (int)(10 * flow_table->mask))) 3253 (int)(10 * flow_table->mask)))
@@ -5209,7 +5209,7 @@ static int __netdev_upper_dev_link(struct net_device *dev,
5209 if (__netdev_find_adj(upper_dev, dev, &upper_dev->all_adj_list.upper)) 5209 if (__netdev_find_adj(upper_dev, dev, &upper_dev->all_adj_list.upper))
5210 return -EBUSY; 5210 return -EBUSY;
5211 5211
5212 if (__netdev_find_adj(dev, upper_dev, &dev->all_adj_list.upper)) 5212 if (__netdev_find_adj(dev, upper_dev, &dev->adj_list.upper))
5213 return -EEXIST; 5213 return -EEXIST;
5214 5214
5215 if (master && netdev_master_upper_dev_get(dev)) 5215 if (master && netdev_master_upper_dev_get(dev))