diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2018-10-12 05:30:16 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2018-10-12 05:30:16 -0700 |
| commit | bbaf766c22fc4745fbf4494037a62a21ad7c5ecc (patch) | |
| tree | a0cac8263692d7aba4fad5feae5ad4ab195bdd95 /drivers/net/xen-netfront.c | |
| parent | 51abefff9fb42c8834acb643d6aa70d855e0cf43 (diff) | |
| parent | 1065e41df3d0060f67ea0b2432b252dc9acca341 (diff) | |
Merge "Merge android-4.4.159 (624c095) into msm-4.4"
Diffstat (limited to 'drivers/net/xen-netfront.c')
| -rw-r--r-- | drivers/net/xen-netfront.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 3270b4333668..0a4bd73caae5 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -892,7 +892,11 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue, BUG_ON(pull_to <= skb_headlen(skb)); __pskb_pull_tail(skb, pull_to - skb_headlen(skb)); } - BUG_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS); + if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) { + queue->rx.rsp_cons = ++cons; + kfree_skb(nskb); + return ~0U; + } skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, skb_frag_page(nfrag), @@ -1029,6 +1033,8 @@ err: skb->len += rx->status; i = xennet_fill_frags(queue, skb, &tmpq); + if (unlikely(i == ~0U)) + goto err; if (rx->flags & XEN_NETRXF_csum_blank) skb->ip_summed = CHECKSUM_PARTIAL; |