From: Amir Vadai <amirv@mellanox.co.il>
Date: Sun, 20 Mar 2011 13:34:33 +0000 (+0200)
Subject: sdp: Bad behaviour when setting low rcvbuf size
X-Git-Tag: v4.1.12-92~264^2~5^2~22
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=63ffd4dbd4276205504510545f7954294dbe94a8;p=users%2Fjedix%2Flinux-maple.git

sdp: Bad behaviour when setting low rcvbuf size

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 2bb01b2e1c7d..d9d8ca8a717f 100644
--- a/drivers/infiniband/ulp/sdp/sdp_main.c
+++ b/drivers/infiniband/ulp/sdp/sdp_main.c
@@ -2301,15 +2301,17 @@ sdp_mid_data:
 
 		if (poll_recv_cq(sk)) {
 			sdp_dbg_data(sk, "sk_wait_data %ld\n", timeo);
-			if (remote_credits(ssk) <= SDP_MIN_TX_CREDITS) {
+			if (remote_credits(ssk) < SDP_MIN_TX_CREDITS) {
 				/* Remote host can not send, so there is no
 				 * point of waiting for data.
 				 * This situation is possible if current host
 				 * can not send credits-update due to lack of
 				 * memory.
 				 */
-				if (!copied)
+				if (!copied) {
 					copied = -ENOMEM;
+					sdp_warn(sk, "out of credits\n");
+				}
 				break;
 			}