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-rw-r--r--net/rds/rdma.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 1d0afb1dd77b..6f1a50d50d06 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -565,6 +565,9 @@ int rds_rdma_extra_size(struct rds_rdma_args *args,
if (args->nr_local == 0)
return -EINVAL;
+ if (args->nr_local > UIO_MAXIOV)
+ return -EMSGSIZE;
+
iov->iov = kcalloc(args->nr_local,
sizeof(struct rds_iovec),
GFP_KERNEL);