target: Deletion of unnecessary checks before the function call "module_put"

The module_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/target/iscsi/iscsi_target_transport.c

@@ -26,7 +26,6 @@ struct iscsit_transport *iscsit_get_transport(int type)
 
 void iscsit_put_transport(struct iscsit_transport *t)
 {
-	if (t->owner)
 	module_put(t->owner);
 }
 

drivers/target/target_core_hba.c

@@ -137,7 +137,6 @@ core_alloc_hba(const char *plugin_name, u32 plugin_dep_id, u32 hba_flags)
 	return hba;
 
 out_module_put:
-	if (hba->transport->owner)
 	module_put(hba->transport->owner);
 	hba->transport = NULL;
 out_free_hba:
@@ -159,7 +158,6 @@ core_delete_hba(struct se_hba *hba)
 	pr_debug("CORE_HBA[%d] - Detached HBA from Generic Target"
 			" Core\n", hba->hba_id);
 
-	if (hba->transport->owner)
 	module_put(hba->transport->owner);
 
 	hba->transport = NULL;