[PATCH net-next 4/7] net/rds: Fix NULL/ERR_PTR inconsistency

[Gerd Rausch]

Make function "rds_ib_try_reuse_ibmr" return NULL in case
memory region could not be allocated, since callers
simply check if the return value is not NULL.

Signed-off-by: Gerd Rausch <gerd.rau...@oracle.com>
---
 net/rds/ib_rdma.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index 6b047e63a769..c8c1e3ae8d84 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -450,7 +450,7 @@ struct rds_ib_mr *rds_ib_try_reuse_ibmr(struct 
rds_ib_mr_pool *pool)
                                rds_ib_stats_inc(s_ib_rdma_mr_8k_pool_depleted);
                        else
                                rds_ib_stats_inc(s_ib_rdma_mr_1m_pool_depleted);
-                       return ERR_PTR(-EAGAIN);
+                       break;
                }
 
                /* We do have some empty MRs. Flush them out. */
@@ -464,7 +464,7 @@ struct rds_ib_mr *rds_ib_try_reuse_ibmr(struct 
rds_ib_mr_pool *pool)
                        return ibmr;
        }
 
-       return ibmr;
+       return NULL;
 }
 
 static void rds_ib_mr_pool_flush_worker(struct work_struct *work)
-- 
2.18.0