[PATCH -next] vdpa: Mark macaddr_buf with static keyword

[Zou Wei]

Fix the following sparse warning:

drivers/vdpa/vdpa_sim/vdpa_sim_net.c:36:4: warning: symbol 'macaddr_buf' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Zou Wei <zou_wei@xxxxxxxxxx>
---
 drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
index c10b698..f048242 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
@@ -33,7 +33,7 @@ static char *macaddr;
 module_param(macaddr, charp, 0);
 MODULE_PARM_DESC(macaddr, "Ethernet MAC address");
 
-u8 macaddr_buf[ETH_ALEN];
+static u8 macaddr_buf[ETH_ALEN];
 
 static struct vdpasim *vdpasim_net_dev;
 
-- 
2.6.2