cxgb4i: fix credit check for tx_data_wr

make sure any tx credit related checking is done before adding the wr header.

Signed-off-by: Karen Xie <kxie@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index 8abe8a303386..197d7de189fb 100644
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -549,10 +549,11 @@ static inline void make_tx_data_wr(struct cxgbi_sock *csk, struct sk_buff *skb,
         struct fw_ofld_tx_data_wr *req;
         unsigned int submode = cxgbi_skcb_ulp_mode(skb) & 3;
         unsigned int wr_ulp_mode = 0, val;
+        bool imm = is_ofld_imm(skb);
 
         req = (struct fw_ofld_tx_data_wr *)__skb_push(skb, sizeof(*req));
 
-        if (is_ofld_imm(skb)) {
+        if (imm) {
                 req->op_to_immdlen = htonl(FW_WR_OP_V(FW_OFLD_TX_DATA_WR) |
                                         FW_WR_COMPL_F |
                                         FW_WR_IMMDLEN_V(dlen));