From: Mike Christie <micha...@cs.wisc.edu>
Check that the session is setup before accessing its
connection. This fixes a oops where userspace tries
to get the ip address before the session is bound to
a host.
Signed-off-by: Mike Christie <micha...@cs.wisc.edu>
---
drivers/scsi/iscsi_tcp.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 12b3512..bfb6d07 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -759,6 +759,9 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host
*shost,
switch (param) {
case ISCSI_HOST_PARAM_IPADDRESS:
+ if (!session)
+ return -ENOTCONN;
+
spin_lock_bh(&session->frwd_lock);
conn = session->leadconn;
if (!conn) {
--
1.7.1
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