[PATCH] aic94xx: don't return zero on failure paths in aic94xx_init()

[Alexey Khoroshilov]

If sas_domain_attach_transport() fails in aic94xx_init(),
it breaks off initialization, deallocates all resources, but returns zero.

The patch adds -ENOMEM as return value in this case.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Peter Melnichenko <melniche...@ispras.ru>
Signed-off-by: Alexey Khoroshilov <khoroshi...@ispras.ru>
---
 drivers/scsi/aic94xx/aic94xx_init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/aic94xx/aic94xx_init.c 
b/drivers/scsi/aic94xx/aic94xx_init.c
index 6c838865ac5a..4a4746cc6745 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -1030,8 +1030,10 @@ static int __init aic94xx_init(void)
 
        aic94xx_transport_template =
                sas_domain_attach_transport(&aic94xx_transport_functions);
-       if (!aic94xx_transport_template)
+       if (!aic94xx_transport_template) {
+               err = -ENOMEM;
                goto out_destroy_caches;
+       }
 
        err = pci_register_driver(&aic94xx_pci_driver);
        if (err)
-- 
2.7.4