1 files changed, 5 insertions, 2 deletions

diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 71f373c421bc..7c4dce8fa5e6 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -355,7 +355,7 @@ void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context)
  *
  * Conceptually, we have two counters:
  *  -   send credits: this tells us how many WRs we're allowed
- *      to submit without overruning the reciever's queue. For
+ *      to submit without overruning the receiver's queue. For
  *      each SEND WR we post, we decrement this by one.
  *
  *  -   posted credits: this tells us how many WRs we recently
@@ -551,7 +551,10 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
         if (conn->c_loopback
             && rm->m_inc.i_hdr.h_flags & RDS_FLAG_CONG_BITMAP) {
                 rds_cong_map_updated(conn->c_fcong, ~(u64) 0);
-                return sizeof(struct rds_header) + RDS_CONG_MAP_BYTES;
+                scat = &rm->data.op_sg[sg];
+                ret = sizeof(struct rds_header) + RDS_CONG_MAP_BYTES;
+                ret = min_t(int, ret, scat->length - conn->c_xmit_data_off);
+                return ret;
         }
 
         /* FIXME we may overallocate here */