RDS: Return -EINVAL if rds_rdma_pages returns an error

rds_cmsg_rdma_args would still return success even if rds_rdma_pages
returned an error (or overflowed).

Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 0df02c8..d0ba2ca 100644 (file)
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -554,8 +554,10 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
        }
 
        nr_pages = rds_rdma_pages(args);
-       if (nr_pages < 0)
+       if (nr_pages < 0) {
+               ret = -EINVAL;
                goto out;
+       }
 
        pages = kcalloc(nr_pages, sizeof(struct page *), GFP_KERNEL);
        if (!pages) {