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path: root/drivers/scsi/fcoe/fcoe.c
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Diffstat (limited to 'drivers/scsi/fcoe/fcoe.c')
-rw-r--r--drivers/scsi/fcoe/fcoe.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 10be9f36a4cc..2f47ae7cce91 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -2009,6 +2009,8 @@ static int fcoe_destroy(const char *buffer, struct kernel_param *kp)
fcoe_interface_cleanup(fcoe);
rtnl_unlock();
fcoe_if_destroy(fcoe->ctlr.lp);
+ module_put(THIS_MODULE);
+
out_putdev:
dev_put(netdev);
out_nodev:
@@ -2059,6 +2061,11 @@ static int fcoe_create(const char *buffer, struct kernel_param *kp)
}
#endif
+ if (!try_module_get(THIS_MODULE)) {
+ rc = -EINVAL;
+ goto out_nomod;
+ }
+
rtnl_lock();
netdev = fcoe_if_to_netdev(buffer);
if (!netdev) {
@@ -2099,17 +2106,24 @@ static int fcoe_create(const char *buffer, struct kernel_param *kp)
if (!fcoe_link_ok(lport))
fcoe_ctlr_link_up(&fcoe->ctlr);
- rc = 0;
-out_free:
/*
* Release from init in fcoe_interface_create(), on success lport
* should be holding a reference taken in fcoe_if_create().
*/
fcoe_interface_put(fcoe);
+ dev_put(netdev);
+ rtnl_unlock();
+ mutex_unlock(&fcoe_config_mutex);
+
+ return 0;
+out_free:
+ fcoe_interface_put(fcoe);
out_putdev:
dev_put(netdev);
out_nodev:
rtnl_unlock();
+ module_put(THIS_MODULE);
+out_nomod:
mutex_unlock(&fcoe_config_mutex);
return rc;
}