linux-kernel - [PATCH] xen/xen-scsiback: Need go to fail after xenbus_dev

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Message-ID: <5425967F.7020002@gmail.com>
Date:	Sat, 27 Sep 2014 00:38:23 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	David Vrabel <david.vrabel@...rix.com>
CC:	xen-devel@...ts.xenproject.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] xen/xen-scsiback: Need go to fail after xenbus_dev_error()

When failure occurs, after xenbus_dev_error(), need go to fail to let
upper caller know about it.

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 drivers/xen/xen-scsiback.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 847bc9c..3e430e1 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -1222,8 +1222,10 @@ static int scsiback_probe(struct xenbus_device *dev,
 
 	err = xenbus_printf(XBT_NIL, dev->nodename, "feature-sg-grant", "%u",
 			    SG_ALL);
-	if (err)
+	if (err) {
 		xenbus_dev_error(dev, err, "writing feature-sg-grant");
+		goto fail;
+	}
 
 	xenbus_switch_state(dev, XenbusStateInitWait);
 	return 0;
-- 
1.9.3
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