2.6.25-stable review patch.  If anyone has any objections, please let us
know.

------------------
From: James Bottomley <James.Bottomley@HansenPartnership.com>
commit ad2fa42d044b98469449880474a9662fb689f7f9 upstream

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.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 drivers/scsi/aha152x.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -3835,7 +3835,7 @@ 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
@@ -3914,7 +3914,7 @@ static int __init aha152x_init(void)
 #endif
 	}
 
-	return 1;
+	return 0;
 }
 
 static void __exit aha152x_exit(void)
-- 
--
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原文链接: http://lkml.org/lkml/2008/5/13/407
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