[NET]: Don't declare extern variables in net/core/sysctl_net_core.c

Some are already declared in include/linux/netdevice.h, while
some others (xfrm ones) need to be declared.

The driver/net/rrunner.c just uses same extern as well, so
cleanup it also.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/net/rrunner.c b/drivers/net/rrunner.c
index 19152f54ef2b..b822859c8de3 100644
--- a/drivers/net/rrunner.c
+++ b/drivers/net/rrunner.c
@@ -79,12 +79,10 @@ static char version[] __devinitdata = "rrunner.c: v0.50 11/11/2002  Jes Sorensen
  */
 
 /*
- * These are checked at init time to see if they are at least 256KB
- * and increased to 256KB if they are not. This is done to avoid ending
- * up with socket buffers smaller than the MTU size,
+ * sysctl_[wr]mem_max are checked at init time to see if they are at
+ * least 256KB and increased to 256KB if they are not. This is done to
+ * avoid ending up with socket buffers smaller than the MTU size,
  */
-extern __u32 sysctl_wmem_max;
-extern __u32 sysctl_rmem_max;
 
 static int __devinit rr_init_one(struct pci_dev *pdev,
         const struct pci_device_id *ent)