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Subject[PATCH] net: core: fix unused variable sparse warning
Date
the variables zero and unres_qlen_max are only used when CONFIG_SYSCTL is
defined, otherwise it causes the following sparse warning when we turn on
CONFIG_SYSCTL.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
---
net/core/neighbour.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 36fc692..4a15278 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -62,8 +62,10 @@ static void __neigh_notify(struct neighbour *n, int type, int flags);
static void neigh_update_notify(struct neighbour *neigh);
static int pneigh_ifdown(struct neigh_table *tbl, struct net_device *dev);

+#ifdef CONFIG_SYSCTL
static int zero;
static int unres_qlen_max = INT_MAX / SKB_TRUESIZE(ETH_FRAME_LEN);
+#endif

static struct neigh_table *neigh_tables;
#ifdef CONFIG_PROC_FS
--
1.7.4.5


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