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

SF Markus Elfring
2016-01-02T17:58:17Z

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@users.sourceforge.net>
---
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