ipvs: Restrict connection table size via Kconfig

Instead of checking the value in include/net/ip_vs.h, we can just
restrict the range in our Kconfig file. This will prevent values outside
of the range early.

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Reviewed-by: Julius Volz <juliusv@google.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv4/ipvs/Kconfig b/net/ipv4/ipvs/Kconfig
index 794cecb249af..de6004de80bc 100644
--- a/net/ipv4/ipvs/Kconfig
+++ b/net/ipv4/ipvs/Kconfig
@@ -41,7 +41,8 @@ config	IP_VS_DEBUG
 
 config  IP_VS_TAB_BITS
         int "IPVS connection table size (the Nth power of 2)"
-        default "12" 
+        range 8 20
+        default 12
         ---help---
           The IPVS connection hash table uses the chaining scheme to handle
           hash collisions. Using a big IPVS connection hash table will greatly