[Xen-devel] [PATCH 4/5] xen-netback: Replace a variable initialisation by an assignment in xen_register_watchers()

[SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>]

From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 2 Jan 2016 18:23:16 +0100

Replace an explicit initialisation for one local variable at the beginning
by an assignment.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/net/xen-netback/xenbus.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index aff963f..e8dfc3d 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -687,11 +687,12 @@ static int xen_register_watchers(struct xenbus_device 
*dev, struct xenvif *vif)
 {
        int err = 0;
        char *node;
-       unsigned maxlen = strlen(dev->nodename) + sizeof("/rate");
+       unsigned maxlen;
 
        if (vif->credit_watch.node)
                return -EADDRINUSE;
 
+       maxlen = strlen(dev->nodename) + sizeof("/rate");
        node = kmalloc(maxlen, GFP_KERNEL);
        if (!node)
                return -ENOMEM;
-- 
2.6.3


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