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netfilter: Remove return values for print_conntrack callbacks 

The seq_printf() and friends are having their return values removed.
The print_conntrack() returns the result of seq_printf(), which is
meaningless when seq_printf() returns void. Might as well remove the
return values of print_conntrack() as well.

Link: http://lkml.kernel.org/r/20141029220107.465008329@goodmis.org
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Cc: netfilter-devel@vger.kernel.org
Cc: coreteam@netfilter.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2014-10-27 16:02:47 -04:00 committed by Steven Rostedt
parent 1f33c41c03
commit 37246a5837
7 changed files with 17 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/netfilter/nf_conntrack_l4proto.h
View File

@ -60,7 +60,7 @@ struct nf_conntrack_l4proto {
const struct nf_conntrack_tuple *); const struct nf_conntrack_tuple *);
/* Print out the private part of the conntrack. */ /* Print out the private part of the conntrack. */
int (*print_conntrack)(struct seq_file *s, struct nf_conn *); void (*print_conntrack)(struct seq_file *s, struct nf_conn *);
/* Return the array of timeouts for this protocol. */ /* Return the array of timeouts for this protocol. */
unsigned int *(*get_timeouts)(struct net *net); unsigned int *(*get_timeouts)(struct net *net);

5
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
View File

@ -147,7 +147,10 @@ static int ct_seq_show(struct seq_file *s, void *v)
? (long)(ct->timeout.expires - jiffies)/HZ : 0) != 0) ? (long)(ct->timeout.expires - jiffies)/HZ : 0) != 0)
goto release; goto release;
if (l4proto->print_conntrack && l4proto->print_conntrack(s, ct)) if (l4proto->print_conntrack)
l4proto->print_conntrack(s, ct);
if (seq_has_overflowed(s))
goto release; goto release;
if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple,

4
net/netfilter/nf_conntrack_proto_dccp.c
View File

@ -626,9 +626,9 @@ static int dccp_print_tuple(struct seq_file *s,
ntohs(tuple->dst.u.dccp.port)); ntohs(tuple->dst.u.dccp.port));
} }
static int dccp_print_conntrack(struct seq_file *s, struct nf_conn *ct) static void dccp_print_conntrack(struct seq_file *s, struct nf_conn *ct)
{ {
return seq_printf(s, "%s ", dccp_state_names[ct->proto.dccp.state]); seq_printf(s, "%s ", dccp_state_names[ct->proto.dccp.state]);
} }
#if IS_ENABLED(CONFIG_NF_CT_NETLINK) #if IS_ENABLED(CONFIG_NF_CT_NETLINK)

8
net/netfilter/nf_conntrack_proto_gre.c
View File

@ -235,11 +235,11 @@ static int gre_print_tuple(struct seq_file *s,
} }
/* print private data for conntrack */ /* print private data for conntrack */
static int gre_print_conntrack(struct seq_file *s, struct nf_conn *ct) static void gre_print_conntrack(struct seq_file *s, struct nf_conn *ct)
{ {
return seq_printf(s, "timeout=%u, stream_timeout=%u ", seq_printf(s, "timeout=%u, stream_timeout=%u ",
(ct->proto.gre.timeout / HZ), (ct->proto.gre.timeout / HZ),
(ct->proto.gre.stream_timeout / HZ)); (ct->proto.gre.stream_timeout / HZ));
} }
static unsigned int *gre_get_timeouts(struct net *net) static unsigned int *gre_get_timeouts(struct net *net)

4
net/netfilter/nf_conntrack_proto_sctp.c
View File

@ -175,7 +175,7 @@ static int sctp_print_tuple(struct seq_file *s,
} }
/* Print out the private part of the conntrack. */ /* Print out the private part of the conntrack. */
static int sctp_print_conntrack(struct seq_file *s, struct nf_conn *ct) static void sctp_print_conntrack(struct seq_file *s, struct nf_conn *ct)
{ {
enum sctp_conntrack state; enum sctp_conntrack state;
@ -183,7 +183,7 @@ static int sctp_print_conntrack(struct seq_file *s, struct nf_conn *ct)
state = ct->proto.sctp.state; state = ct->proto.sctp.state;
spin_unlock_bh(&ct->lock); spin_unlock_bh(&ct->lock);
return seq_printf(s, "%s ", sctp_conntrack_names[state]); seq_printf(s, "%s ", sctp_conntrack_names[state]);
} }
#define for_each_sctp_chunk(skb, sch, _sch, offset, dataoff, count) \ #define for_each_sctp_chunk(skb, sch, _sch, offset, dataoff, count) \

4
net/netfilter/nf_conntrack_proto_tcp.c
View File

@ -311,7 +311,7 @@ static int tcp_print_tuple(struct seq_file *s,
} }
/* Print out the private part of the conntrack. */ /* Print out the private part of the conntrack. */
static int tcp_print_conntrack(struct seq_file *s, struct nf_conn *ct) static void tcp_print_conntrack(struct seq_file *s, struct nf_conn *ct)
{ {
enum tcp_conntrack state; enum tcp_conntrack state;
@ -319,7 +319,7 @@ static int tcp_print_conntrack(struct seq_file *s, struct nf_conn *ct)
state = ct->proto.tcp.state; state = ct->proto.tcp.state;
spin_unlock_bh(&ct->lock); spin_unlock_bh(&ct->lock);
return seq_printf(s, "%s ", tcp_conntrack_names[state]); seq_printf(s, "%s ", tcp_conntrack_names[state]);
} }
static unsigned int get_conntrack_index(const struct tcphdr *tcph) static unsigned int get_conntrack_index(const struct tcphdr *tcph)

4
net/netfilter/nf_conntrack_standalone.c
View File

@ -199,8 +199,8 @@ static int ct_seq_show(struct seq_file *s, void *v)
? (long)(ct->timeout.expires - jiffies)/HZ : 0) != 0) ? (long)(ct->timeout.expires - jiffies)/HZ : 0) != 0)
goto release; goto release;
if (l4proto->print_conntrack && l4proto->print_conntrack(s, ct)) if (l4proto->print_conntrack)
goto release; l4proto->print_conntrack(s, ct);
if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
l3proto, l4proto)) l3proto, l4proto))