linux-kernel - [patch] paride: fix a return in pd

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Message-ID: <20150812210843.GC8068@mwanda>
Date:	Thu, 13 Aug 2015 00:08:43 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Tim Waugh <tim@...erelk.net>,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [patch] paride: fix a return in pd_detect()

In this function returning non-zero means the hardware was detected and
zero means it wasn't.  This is a failure path so we should return zero.

Fixes: 9f4ba6b05869 ('paride: use new parport device model')
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index b9242d7..4e75c5f 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -877,7 +877,7 @@ static int pd_detect(void)
 	par_drv = pi_register_driver(name);
 	if (!par_drv) {
 		pr_err("failed to register %s driver\n", name);
-		return -1;
+		return 0;
 	}
 
 	if (pd_drive_count == 0) { /* nothing spec'd - so autoprobe for 1 */
--
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