Do not request FW to generate cidx update if there is less
space in tx queue to post new request.
SGE DBP 1 pidx increment too large
BUG: unable to handle kernel NULL pointer dereference at
0000000000000124
SGE error for queue 101

Signed-off-by: Atul Gupta <atul.gu...@chelsio.com>
---
 drivers/crypto/chelsio/chcr_ipsec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/chelsio/chcr_ipsec.c 
b/drivers/crypto/chelsio/chcr_ipsec.c
index 2f60049..f429aae 100644
--- a/drivers/crypto/chelsio/chcr_ipsec.c
+++ b/drivers/crypto/chelsio/chcr_ipsec.c
@@ -575,7 +575,8 @@ inline void *chcr_crypto_wreq(struct sk_buff *skb,
        if (unlikely(credits < ETHTXQ_STOP_THRES)) {
                netif_tx_stop_queue(q->txq);
                q->q.stops++;
-               wr_mid |= FW_WR_EQUEQ_F | FW_WR_EQUIQ_F;
+               if (!q->dbqt)
+                       wr_mid |= FW_WR_EQUEQ_F | FW_WR_EQUIQ_F;
        }
        wr_mid |= FW_ULPTX_WR_DATA_F;
        wr->wreq.flowid_len16 = htonl(wr_mid);
-- 
1.8.3.1

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