[NET]: sparse warning fixes

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 9dee70e1cf0..e5b05b03910 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -144,7 +144,7 @@ static struct {
 	{ "TimestampReps", ICMP_TIMESTAMPREPLY },
 	{ "AddrMasks", ICMP_ADDRESS },
 	{ "AddrMaskReps", ICMP_ADDRESSREPLY },
-	{ 0, 0 }
+	{ NULL, 0 }
 };