[PATCH 10/11] qla2xxx: Unregister resources in the opposite order of the registration order

[Bart Van Assche]

Make sure that resources are only unregistered after the users of these
resources have been unregistered. Only unregister the character device
if registration of it succeeded.

Cc: Himanshu Madhani <hmadh...@marvell.com>
Cc: Giridhar Malavali <gmalav...@marvell.com>
Signed-off-by: Bart Van Assche <bvanass...@acm.org>
---
 drivers/scsi/qla2xxx/qla_os.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index ea0b666c3c90..b0e5484bf026 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -7407,14 +7407,15 @@ qla2x00_module_init(void)
 static void __exit
 qla2x00_module_exit(void)
 {
-       unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
        pci_unregister_driver(&qla2xxx_pci_driver);
        qla2x00_release_firmware();
-       kmem_cache_destroy(srb_cachep);
-       qlt_exit();
        kmem_cache_destroy(ctx_cachep);
-       fc_release_transport(qla2xxx_transport_template);
        fc_release_transport(qla2xxx_transport_vport_template);
+       if (apidev_major >= 0)
+               unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
+       fc_release_transport(qla2xxx_transport_template);
+       qlt_exit();
+       kmem_cache_destroy(srb_cachep);
 }
 
 module_init(qla2x00_module_init);
-- 
2.21.0.196.g041f5ea1cf98