UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

IPoIB/cm: Set tx_wr.num_sge in connected mode post_send() 

Commit 7143740d ("IPoIB: Add send gather support") made it possible
for tx_wr.num_sge to be != 1 -- this happens if send gather support is
enabled.  However, the code in the connected mode post_send() function
assumes the old invariant, namely that tx_wr.num_sge is always 1.  Fix
this by explicitly setting tx_wr.num_sge to 1 in the CM post_send().

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier 2008-03-11 18:35:20 -07:00
parent b3e2749bf3
commit 4200406b8f
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/infiniband/ulp/ipoib/ipoib_cm.c
View File

@ -637,6 +637,7 @@ static inline int post_send(struct ipoib_dev_priv *priv,
priv->tx_sge[0].addr = addr;
priv->tx_sge[0].length = len;
priv->tx_wr.num_sge = 1;
priv->tx_wr.wr_id = wr_id | IPOIB_OP_CM;
return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr);