RDS: RDMA: Fix the NULL-ptr deref in rds_ib_get_mr

[sfrench/cifs-2.6.git] / net / rds / ib_frmr.c

diff --git a/net/rds/ib_frmr.c b/net/rds/ib_frmr.c
index 48332a6ed7383c51def7402dcfef1e581fa677f7..d152e48ea371a5c6c8a565f3d6745625d165e5b3 100644 (file)
--- a/net/rds/ib_frmr.c
+++ b/net/rds/ib_frmr.c
@@ -344,6 +344,11 @@ struct rds_ib_mr *rds_ib_reg_frmr(struct rds_ib_device *rds_ibdev,
        struct rds_ib_frmr *frmr;
        int ret;
 
+       if (!ic) {
+               /* TODO: Add FRWR support for RDS_GET_MR using proxy qp*/
+               return ERR_PTR(-EOPNOTSUPP);
+       }
+
        do {
                if (ibmr)
                        rds_ib_free_frmr(ibmr, true);