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[NET]: sparse warning fixes

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Fix a bunch of sparse warnings. Mostly about 0 used as
NULL pointer, and shadowed variable declarations.
One notable case was that hash size should have been unsigned.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger
2007-10-09 01:59:42 -07:00
committed by David S. Miller
parent de83c058af
commit cfcabdcc2d
19 changed files with 52 additions and 54 deletions
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4
net/ipv4/route.c
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@@ -246,7 +246,7 @@ static spinlock_t *rt_hash_locks;
static struct rt_hash_bucket *rt_hash_table;
static unsigned rt_hash_mask;
static int rt_hash_log;
static unsigned int rt_hash_log;
static unsigned int rt_hash_rnd;
static DEFINE_PER_CPU(struct rt_cache_stat, rt_cache_stat);
@@ -593,7 +593,7 @@ static void rt_check_expire(struct work_struct *work)
i = (i + 1) & rt_hash_mask;
rthp = &rt_hash_table[i].chain;
if (*rthp == 0)
if (*rthp == NULL)
continue;
spin_lock_bh(rt_hash_lock_addr(i));
while ((rth = *rthp) != NULL) {