seq_file: remove "%n" usage from seq_file users
All seq_printf() users are using "%n" for calculating padding size,
convert them to use seq_setwidth() / seq_pad() pair.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Joe Perches <joe@perches.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: 652586df95e5d76b37d07a11839126dcfede1621
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[rsiddoji@codeaurora.org: Resolve merge conflicts with ipv4/6 ping
changes in upstream]
CRs-fixed: 665291
Change-Id: Ia0416c9dbe3d80ff35f24f9c93c3543d1200a327
Signed-off-by: Ravi Kumar <rsiddoji@codeaurora.org>
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index ab7bd2c..a9ca30e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2441,13 +2441,13 @@
EXPORT_SYMBOL(tcp_proc_unregister);
static void get_openreq4(const struct sock *sk, const struct request_sock *req,
- struct seq_file *f, int i, int uid, int *len)
+ struct seq_file *f, int i, int uid)
{
const struct inet_request_sock *ireq = inet_rsk(req);
int ttd = req->expires - jiffies;
seq_printf(f, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %pK%n",
+ " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %pK",
i,
ireq->loc_addr,
ntohs(inet_sk(sk)->inet_sport),
@@ -2462,11 +2462,10 @@
0, /* non standard timer */
0, /* open_requests have no inode */
atomic_read(&sk->sk_refcnt),
- req,
- len);
+ req);
}
-static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
+static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i)
{
int timer_active;
unsigned long timer_expires;
@@ -2502,7 +2501,7 @@
rx_queue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0);
seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX "
- "%08X %5d %8d %lu %d %pK %lu %lu %u %u %d%n",
+ "%08X %5d %8d %lu %d %pK %lu %lu %u %u %d",
i, src, srcp, dest, destp, sk->sk_state,
tp->write_seq - tp->snd_una,
rx_queue,
@@ -2517,12 +2516,12 @@
jiffies_to_clock_t(icsk->icsk_ack.ato),
(icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong,
tp->snd_cwnd,
- tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh,
- len);
+ tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh);
+
}
static void get_timewait4_sock(const struct inet_timewait_sock *tw,
- struct seq_file *f, int i, int *len)
+ struct seq_file *f, int i)
{
__be32 dest, src;
__u16 destp, srcp;
@@ -2537,10 +2536,10 @@
srcp = ntohs(tw->tw_sport);
seq_printf(f, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK%n",
+ " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK",
i, src, srcp, dest, destp, tw->tw_substate, 0, 0,
3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
- atomic_read(&tw->tw_refcnt), tw, len);
+ atomic_read(&tw->tw_refcnt), tw);
}
#define TMPSZ 150
@@ -2548,11 +2547,10 @@
static int tcp4_seq_show(struct seq_file *seq, void *v)
{
struct tcp_iter_state *st;
- int len;
+ seq_setwidth(seq, TMPSZ - 1);
if (v == SEQ_START_TOKEN) {
- seq_printf(seq, "%-*s\n", TMPSZ - 1,
- " sl local_address rem_address st tx_queue "
+ seq_puts(seq, " sl local_address rem_address st tx_queue "
"rx_queue tr tm->when retrnsmt uid timeout "
"inode");
goto out;
@@ -2562,17 +2560,17 @@
switch (st->state) {
case TCP_SEQ_STATE_LISTENING:
case TCP_SEQ_STATE_ESTABLISHED:
- get_tcp4_sock(v, seq, st->num, &len);
+ get_tcp4_sock(v, seq, st->num);
break;
case TCP_SEQ_STATE_OPENREQ:
- get_openreq4(st->syn_wait_sk, v, seq, st->num, st->uid, &len);
+ get_openreq4(st->syn_wait_sk, v, seq, st->num, st->uid);
break;
case TCP_SEQ_STATE_TIME_WAIT:
- get_timewait4_sock(v, seq, st->num, &len);
+ get_timewait4_sock(v, seq, st->num);
break;
}
- seq_printf(seq, "%*s\n", TMPSZ - 1 - len, "");
out:
+ seq_pad(seq, '\n');
return 0;
}