[rds-devel] [PATCH] RDS: Call sg_init_table() to initialize scatterlists.

[Steve Wise]

From: Steve Wise <swise at opengridcomputing.com>

Needed if CONFIG_DEBUG_SG is on.

Signed-off-by: Steve Wise <swise at opengridcomputing.com>
---

 drivers/infiniband/ulp/rds/message.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/ulp/rds/message.c b/drivers/infiniband/ulp/rds/message.c
index 23ed71c..5bf9d5a 100644
--- a/drivers/infiniband/ulp/rds/message.c
+++ b/drivers/infiniband/ulp/rds/message.c
@@ -226,6 +226,14 @@ struct rds_message *rds_message_alloc(unsigned int nents, gfp_t gfp)
 	if (rm == NULL)
 		goto out;
 
+#ifdef CONFIG_DEBUG_SG
+{
+	unsigned int i;
+
+	for (i=0; i < nents; i++)
+		rm->m_sg[i].sg_magic = SG_MAGIC;
+}
+#endif
 	atomic_set(&rm->m_refcount, 1);
 	INIT_LIST_HEAD(&rm->m_sock_item);
 	INIT_LIST_HEAD(&rm->m_conn_item);