diff options
| -rw-r--r-- | net/rds/rdma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 612c3050d514..3e6b133c5e96 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -516,6 +516,9 @@ int rds_rdma_extra_size(struct rds_rdma_args *args) local_vec = (struct rds_iovec __user *)(unsigned long) args->local_vec_addr; + if (args->nr_local == 0) + return -EINVAL; + /* figure out the number of pages in the vector */ for (i = 0; i < args->nr_local; i++) { if (copy_from_user(&vec, &local_vec[i], |