drivers/net/ns83820.c: fix sparse warnings: fix signedness

Fix this sparse warnings:
  drivers/net/ns83820.c:479:36: warning: incorrect type in argument 2 (different signedness)
  drivers/net/ns83820.c:479:36: warning: incorrect type in argument 2 (different signedness)
  drivers/net/ns83820.c:479:36: warning: incorrect type in argument 2 (different signedness)
  drivers/net/ns83820.c:479:36: warning: incorrect type in argument 2 (different signedness)

Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index e80294d8cc19..9266502b5588 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -409,7 +409,7 @@ static int lnksts = 0;		/* CFG_LNKSTS bit polarity */
 struct rx_info {
         spinlock_t      lock;
         int             up;
-        long            idle;
+        unsigned long   idle;
 
         struct sk_buff  *skbs[NR_RX_DESC];