sdp: Enable set zcopy threshold to 0 using setsockopt

Signed-off-by: Amir Vadai <amirv@mellanox.co.il>

diff --git a/drivers/infiniband/ulp/sdp/sdp_main.c b/drivers/infiniband/ulp/sdp/sdp_main.c
index 9729fad4a1a7c15e8d04f023fed5e17abc2e9d42..113946376b8796bf4a37c6dd3d4002ba7709639a 100644 (file)
--- a/drivers/infiniband/ulp/sdp/sdp_main.c
+++ b/drivers/infiniband/ulp/sdp/sdp_main.c
@@ -1318,7 +1318,8 @@ static int sdp_setsockopt(struct sock *sk, int level, int optname,
                }
                break;
        case SDP_ZCOPY_THRESH:
-               if (val < SDP_MIN_ZCOPY_THRESH || val > SDP_MAX_ZCOPY_THRESH)
+               if (val != 0 && (val < SDP_MIN_ZCOPY_THRESH || 
+                                       val > SDP_MAX_ZCOPY_THRESH))
                        err = -EINVAL;
                else
                        ssk->zcopy_thresh = val;