Commit 9b9d2e00 authored by Dan Carpenter's avatar Dan Carpenter Committed by David S. Miller
Browse files

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: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0746556b
...@@ -522,7 +522,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, ...@@ -522,7 +522,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
struct rds_rdma_args *args; struct rds_rdma_args *args;
struct rds_iovec vec; struct rds_iovec vec;
struct rm_rdma_op *op = &rm->rdma; struct rm_rdma_op *op = &rm->rdma;
unsigned int nr_pages; int nr_pages;
unsigned int nr_bytes; unsigned int nr_bytes;
struct page **pages = NULL; struct page **pages = NULL;
struct rds_iovec __user *local_vec; struct rds_iovec __user *local_vec;
......
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