[Xen-devel] [PATCH 3/5] xen-netback: Replace a variable initialisation by an assignment in read_xenbus_vif_flags()

[SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>]

From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 2 Jan 2016 18:01:57 +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 | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index d4947e1..aff963f 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -946,7 +946,7 @@ err: /* Regular return falls through with err == 0 */
 
 static int read_xenbus_vif_flags(struct backend_info *be)
 {
-       struct xenvif *vif = be->vif;
+       struct xenvif *vif;
        struct xenbus_device *dev = be->dev;
        unsigned int rx_copy;
        int err, val;
@@ -968,13 +968,14 @@ static int read_xenbus_vif_flags(struct backend_info *be)
        if (xenbus_scanf(XBT_NIL, dev->otherend,
                         "feature-rx-notify", "%d", &val) < 0)
                val = 0;
+       vif = be->vif;
        if (!val) {
                /* - Reduce drain timeout to poll more frequently for
                 *   Rx requests.
                 * - Disable Rx stall detection.
                 */
-               be->vif->drain_timeout = msecs_to_jiffies(30);
-               be->vif->stall_timeout = 0;
+               vif->drain_timeout = msecs_to_jiffies(30);
+               vif->stall_timeout = 0;
        }
 
        if (xenbus_scanf(XBT_NIL, dev->otherend, "feature-sg",
-- 
2.6.3


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