rds: signedness bug

In the original code if the copy_from_user() fails in rds_rdma_pages()
then the error handling fails and we get a stack trace from kmalloc().

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 48064673fc76..1a41debca1ce 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -522,7 +522,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
         struct rds_rdma_args *args;
         struct rds_iovec vec;
         struct rm_rdma_op *op = &rm->rdma;
-        unsigned int nr_pages;
+        int nr_pages;
         unsigned int nr_bytes;
         struct page **pages = NULL;
         struct rds_iovec __user *local_vec;