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From: "Jan Beulich" <JBeulich@suse.com>
To: "Roger Pau Monne" <roger.pau@citrix.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>
Cc: <xen-devel@lists.xenproject.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH] xen-blkfront: prefer xenbus_write() over xenbus_printf() where possible
Date: Thu, 07 Jul 2016 02:06:33 -0600	[thread overview]
Message-ID: <577E29A902000078000FBF28@prv-mh.provo.novell.com> (raw)

... as being the simpler variant.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
---
 drivers/block/xen-blkfront.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

--- 4.7-rc6-prefer-xenbus_write.orig/drivers/block/xen-blkfront.c
+++ 4.7-rc6-prefer-xenbus_write/drivers/block/xen-blkfront.c
@@ -1825,14 +1825,13 @@ again:
 		}
 		kfree(path);
 	}
-	err = xenbus_printf(xbt, dev->nodename, "protocol", "%s",
-			    XEN_IO_PROTO_ABI_NATIVE);
+	err = xenbus_write(xbt, dev->nodename, "protocol",
+			   XEN_IO_PROTO_ABI_NATIVE);
 	if (err) {
 		message = "writing protocol";
 		goto abort_transaction;
 	}
-	err = xenbus_printf(xbt, dev->nodename,
-			    "feature-persistent", "%u", 1);
+	err = xenbus_printf(xbt, dev->nodename, "feature-persistent", "1");
 	if (err)
 		dev_warn(&dev->dev,
 			 "writing persistent grants feature to xenbus");

             reply	other threads:[~2016-07-07  8:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-07  8:06 Jan Beulich [this message]
2016-07-07  9:44 ` Roger Pau Monne
2016-07-07 10:00   ` Jan Beulich

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