[rds-devel] [PATCH 2/5] RDS: Return -EINVAL if rds_rdma_pages returns an error

[Andy Grover]

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 at oracle.com>
---
 net/rds/rdma.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 0df02c8..d0ba2ca 100644
--- 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) {
-- 
1.7.1