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[TCP]: Convert several length variable to unsigned.

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Several length variables cannot be negative, so convert int to
unsigned int.  This also allows us to do sane shift operations
on those variables.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2008-01-12 02:16:03 -08:00 • committed by David S. Miller
parent c40896de50
commit 9cb5734e5b
3 changed files with 11 additions and 9 deletions
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6
net/ipv4/tcp_ipv4.c
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@ -99,7 +99,7 @@ static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk,
static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
__be32 saddr, __be32 daddr,
struct tcphdr *th, int protocol,
int tcplen);
unsigned int tcplen);
#endif
struct inet_hashinfo __cacheline_aligned tcp_hashinfo = {
@ -1020,7 +1020,7 @@ static int tcp_v4_parse_md5_keys(struct sock *sk, char __user *optval,
static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
__be32 saddr, __be32 daddr,
struct tcphdr *th, int protocol,
int tcplen)
unsigned int tcplen)
{
struct scatterlist sg[4];
__u16 data_len;
@ -1113,7 +1113,7 @@ int tcp_v4_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
struct dst_entry *dst,
struct request_sock *req,
struct tcphdr *th, int protocol,
int tcplen)
unsigned int tcplen)
{
__be32 saddr, daddr;