[SCSI] aha152x: fix init suspiciously returned 1, it should follow 0/-E convention

Reported-by: Frank de Jong <frapex@xs4all.nl>
> [1.] One line summary of the problem:
> linux-2.6.25.3, aha152x'->init suspiciously returned 1, it should
> follow 0/-E convention. The module / driver works okay. Unloading the
> module is impossible.

The driver is apparently returning 0 on failure and 1 on success.
That's a bit unfortunate.  Fix it by altering to -ENODEV and 0.

Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index f5215fd4b73..f0c4ffceabb 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -3830,7 +3830,7 @@ static int __init aha152x_init(void)
                         iounmap(p);
                 }
                 if (!ok && setup_count == 0)
-                        return 0;
+                        return -ENODEV;
 
                 printk(KERN_INFO "aha152x: BIOS test: passed, ");
 #else
@@ -3909,7 +3909,7 @@ static int __init aha152x_init(void)
 #endif
         }
 
-        return 1;
+        return 0;
 }
 
 static void __exit aha152x_exit(void)