diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index eaeeb91..e390dc7 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -155,7 +155,7 @@
 			     nr_pages, write, 0, pages, NULL);
 	up_read(&current->mm->mmap_sem);
 
-	if (0 <= ret && (unsigned) ret < nr_pages) {
+	if (ret >= 0 && ret < nr_pages) {
 		while (ret--)
 			put_page(pages[ret]);
 		ret = -EFAULT;