qla4xxx: Fix smatch warning in func qla4xxx_get_ep_param
Fix following smatch warning:-
drivers/scsi/qla4xxx/ql4_os.c:1752 qla4xxx_get_ep_param() warn: variable dereferenced before check 'qla_ep' (see line 1745)
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 9be829b..592f293 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -1742,6 +1742,9 @@
struct sockaddr *dst_addr;
struct scsi_qla_host *ha;
+ if (!qla_ep)
+ return -ENOTCONN;
+
ha = to_qla_host(qla_ep->host);
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
ha->host_no));
@@ -1749,9 +1752,6 @@
switch (param) {
case ISCSI_PARAM_CONN_PORT:
case ISCSI_PARAM_CONN_ADDRESS:
- if (!qla_ep)
- return -ENOTCONN;
-
dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
if (!dst_addr)
return -ENOTCONN;