These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / net / rds / tcp_recv.c

diff --git a/kernel/net/rds/tcp_recv.c b/kernel/net/rds/tcp_recv.c
index fbc5ef8..27a9921 100644 (file)
--- a/kernel/net/rds/tcp_recv.c
+++ b/kernel/net/rds/tcp_recv.c
@@ -214,8 +214,15 @@ static int rds_tcp_data_recv(read_descriptor_t *desc, struct sk_buff *skb,
                        }
 
                        to_copy = min(tc->t_tinc_data_rem, left);
-                       pskb_pull(clone, offset);
-                       pskb_trim(clone, to_copy);
+                       if (!pskb_pull(clone, offset) ||
+                           pskb_trim(clone, to_copy)) {
+                               pr_warn("rds_tcp_data_recv: pull/trim failed "
+                                       "left %zu data_rem %zu skb_len %d\n",
+                                       left, tc->t_tinc_data_rem, skb->len);
+                               kfree_skb(clone);
+                               desc->error = -ENOMEM;
+                               goto out;
+                       }
                        skb_queue_tail(&tinc->ti_skb_list, clone);
 
                        rdsdebug("skb %p data %p len %d off %u to_copy %zu -> "