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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/core/dev.c
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@@ -780,7 +780,7 @@ static int __dev_alloc_name(struct net *net, const char *name, char *buf)
int i = 0;
const char *p;
const int max_netdevices = 8*PAGE_SIZE;
long *inuse;
unsigned long *inuse;
struct net_device *d;
p = strnchr(name, IFNAMSIZ-1, '%');
@@ -794,7 +794,7 @@ static int __dev_alloc_name(struct net *net, const char *name, char *buf)
return -EINVAL;
/* Use one page as a bit array of possible slots */
inuse = (long *) get_zeroed_page(GFP_ATOMIC);
inuse = (unsigned long *) get_zeroed_page(GFP_ATOMIC);
if (!inuse)
return -ENOMEM;