linux-kernel - [PATCH] xen-pciback: prefer xenbus_write() over xenbus

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Date:	Thu, 07 Jul 2016 02:08:54 -0600
From:	"Jan Beulich" <JBeulich@...e.com>
To:	<david.vrabel@...rix.com>, <boris.ostrovsky@...cle.com>,
	"Juergen Gross" <JGross@...e.com>
Cc:	<xen-devel@...ts.xenproject.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] xen-pciback: prefer xenbus_write() over
 xenbus_printf() where possible

... as being the simpler variant.

Signed-off-by: Jan Beulich <jbeulich@...e.com>
---
 drivers/xen/xen-pciback/pci_stub.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 4.7-rc6-prefer-xenbus_write.orig/drivers/xen/xen-pciback/pci_stub.c
+++ 4.7-rc6-prefer-xenbus_write/drivers/xen/xen-pciback/pci_stub.c
@@ -622,7 +622,7 @@ again:
 		return;
 	}
 	/*PV AER handlers will set this flag*/
-	xenbus_printf(xbt, nodename, "aerState" , "aerfail");
+	xenbus_write(xbt, nodename, "aerState", "aerfail");
 	err = xenbus_transaction_end(xbt, 0);
 	if (err) {
 		if (err == -EAGAIN)