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>

10 files changed, 73 insertions, 97 deletions

diff --git a/fs/proc/consoles.c b/fs/proc/consoles.c
index b701eaa482bf..51942d5abcec 100644
--- a/fs/proc/consoles.c
+++ b/fs/proc/consoles.c
@@ -29,7 +29,6 @@ static int show_console_dev(struct seq_file *m, void *v)
         char flags[ARRAY_SIZE(con_flags) + 1];
         struct console *con = v;
         unsigned int a;
-        int len;
         dev_t dev = 0;
 
         if (con->device) {
@@ -47,11 +46,10 @@ static int show_console_dev(struct seq_file *m, void *v)
                         con_flags[a].name : ' ';
         flags[a] = 0;
 
-        seq_printf(m, "%s%d%n", con->name, con->index, &len);
-        len = 21 - len;
-        if (len < 1)
-                len = 1;
-        seq_printf(m, "%*c%c%c%c (%s)", len, ' ', con->read ? 'R' : '-',
+        seq_setwidth(m, 21 - 1);
+        seq_printf(m, "%s%d", con->name, con->index);
+        seq_pad(m, ' ');
+        seq_printf(m, "%c%c%c (%s)", con->read ? 'R' : '-',
                         con->write ? 'W' : '-', con->unblank ? 'U' : '-',
                         flags);
         if (dev)
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index ccfd99bd1c5a..5f9bc8a746c9 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -39,7 +39,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
         unsigned long ino = 0;
         struct file *file;
         dev_t dev = 0;
-        int flags, len;
+        int flags;
 
         flags = region->vm_flags;
         file = region->vm_file;
@@ -50,8 +50,9 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
                 ino = inode->i_ino;
         }
 
+        seq_setwidth(m, 25 + sizeof(void *) * 6 - 1);
         seq_printf(m,
-                   "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n",
+                   "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu ",
                    region->vm_start,
                    region->vm_end,
                    flags & VM_READ ? 'r' : '-',
@@ -59,13 +60,10 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
                    flags & VM_EXEC ? 'x' : '-',
                    flags & VM_MAYSHARE ? flags & VM_SHARED ? 'S' : 's' : 'p',
                    ((loff_t)region->vm_pgoff) << PAGE_SHIFT,
-                   MAJOR(dev), MINOR(dev), ino, &len);
+                   MAJOR(dev), MINOR(dev), ino);
 
         if (file) {
-                len = 25 + sizeof(void *) * 6 - len;
-                if (len < 1)
-                        len = 1;
-                seq_printf(m, "%*c", len, ' ');
+                seq_pad(m, ' ');
                 seq_path(m, &file->f_path, "");
         }
 
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 42b5cf5d0326..fb52b548080d 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -84,14 +84,6 @@ unsigned long task_statm(struct mm_struct *mm,
         return mm->total_vm;
 }
 
-static void pad_len_spaces(struct seq_file *m, int len)
-{
-        len = 25 + sizeof(void*) * 6 - len;
-        if (len < 1)
-                len = 1;
-        seq_printf(m, "%*c", len, ' ');
-}
-
 #ifdef CONFIG_NUMA
 /*
  * These functions are for numa_maps but called in generic **maps seq_file
@@ -269,7 +261,6 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
         unsigned long long pgoff = 0;
         unsigned long start, end;
         dev_t dev = 0;
-        int len;
         const char *name = NULL;
 
         if (file) {
@@ -287,7 +278,8 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
         if (stack_guard_page_end(vma, end))
                 end -= PAGE_SIZE;
 
-        seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n",
+        seq_setwidth(m, 25 + sizeof(void *) * 6 - 1);
+        seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu ",
                         start,
                         end,
                         flags & VM_READ ? 'r' : '-',
@@ -295,14 +287,14 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
                         flags & VM_EXEC ? 'x' : '-',
                         flags & VM_MAYSHARE ? 's' : 'p',
                         pgoff,
-                        MAJOR(dev), MINOR(dev), ino, &len);
+                        MAJOR(dev), MINOR(dev), ino);
 
         /*
          * Print the dentry name for named mappings, and a
          * special [heap] marker for the heap:
          */
         if (file) {
-                pad_len_spaces(m, len);
+                seq_pad(m, ' ');
                 seq_path(m, &file->f_path, "\n");
                 goto done;
         }
@@ -334,7 +326,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
                                 name = "[stack]";
                         } else {
                                 /* Thread stack in /proc/PID/maps */
-                                pad_len_spaces(m, len);
+                                seq_pad(m, ' ');
                                 seq_printf(m, "[stack:%d]", tid);
                         }
                 }
@@ -342,7 +334,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
 
 done:
         if (name) {
-                pad_len_spaces(m, len);
+                seq_pad(m, ' ');
                 seq_puts(m, name);
         }
         seq_putc(m, '\n');
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 56123a6f462e..678455d2d683 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -123,14 +123,6 @@ unsigned long task_statm(struct mm_struct *mm,
         return size;
 }
 
-static void pad_len_spaces(struct seq_file *m, int len)
-{
-        len = 25 + sizeof(void*) * 6 - len;
-        if (len < 1)
-                len = 1;
-        seq_printf(m, "%*c", len, ' ');
-}
-
 /*
  * display a single VMA to a sequenced file
  */
@@ -142,7 +134,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
         unsigned long ino = 0;
         struct file *file;
         dev_t dev = 0;
-        int flags, len;
+        int flags;
         unsigned long long pgoff = 0;
 
         flags = vma->vm_flags;
@@ -155,8 +147,9 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
                 pgoff = (loff_t)vma->vm_pgoff << PAGE_SHIFT;
         }
 
+        seq_setwidth(m, 25 + sizeof(void *) * 6 - 1);
         seq_printf(m,
-                   "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n",
+                   "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu ",
                    vma->vm_start,
                    vma->vm_end,
                    flags & VM_READ ? 'r' : '-',
@@ -164,16 +157,16 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
                    flags & VM_EXEC ? 'x' : '-',
                    flags & VM_MAYSHARE ? flags & VM_SHARED ? 'S' : 's' : 'p',
                    pgoff,
-                   MAJOR(dev), MINOR(dev), ino, &len);
+                   MAJOR(dev), MINOR(dev), ino);
 
         if (file) {
-                pad_len_spaces(m, len);
+                seq_pad(m, ' ');
                 seq_path(m, &file->f_path, "");
         } else if (mm) {
                 pid_t tid = vm_is_stack(priv->task, vma, is_pid);
 
                 if (tid != 0) {
-                        pad_len_spaces(m, len);
+                        seq_pad(m, ' ');
                         /*
                          * Thread stack in /proc/PID/task/TID/maps or
                          * the main process stack.
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index ec9a9ef4ce50..5afeb5aa4c7c 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2523,16 +2523,17 @@ static int fib_route_seq_show(struct seq_file *seq, void *v)
                 list_for_each_entry_rcu(fa, &li->falh, fa_list) {
                         const struct fib_info *fi = fa->fa_info;
                         unsigned int flags = fib_flag_trans(fa->fa_type, mask, fi);
-                        int len;
 
                         if (fa->fa_type == RTN_BROADCAST
                             || fa->fa_type == RTN_MULTICAST)
                                 continue;
 
+                        seq_setwidth(seq, 127);
+
                         if (fi)
                                 seq_printf(seq,
                                          "%s\t%08X\t%08X\t%04X\t%d\t%u\t"
-                                         "%d\t%08X\t%d\t%u\t%u%n",
+                                         "%d\t%08X\t%d\t%u\t%u",
                                          fi->fib_dev ? fi->fib_dev->name : "*",
                                          prefix,
                                          fi->fib_nh->nh_gw, flags, 0, 0,
@@ -2541,15 +2542,15 @@ static int fib_route_seq_show(struct seq_file *seq, void *v)
                                          (fi->fib_advmss ?
                                           fi->fib_advmss + 40 : 0),
                                          fi->fib_window,
-                                         fi->fib_rtt >> 3, &len);
+                                         fi->fib_rtt >> 3);
                         else
                                 seq_printf(seq,
                                          "*\t%08X\t%08X\t%04X\t%d\t%u\t"
-                                         "%d\t%08X\t%d\t%u\t%u%n",
+                                         "%d\t%08X\t%d\t%u\t%u",
                                          prefix, 0, flags, 0, 0, 0,
-                                         mask, 0, 0, 0, &len);
+                                         mask, 0, 0, 0);
 
-                        seq_printf(seq, "%*s\n", 127 - len, "");
+                        seq_pad(seq, '\n');
                 }
         }
 
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 9afbdb19f4a2..cbc85f660d54 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -1076,7 +1076,7 @@ void ping_seq_stop(struct seq_file *seq, void *v)
 EXPORT_SYMBOL_GPL(ping_seq_stop);
 
 static void ping_v4_format_sock(struct sock *sp, struct seq_file *f,
-                int bucket, int *len)
+                int bucket)
 {
         struct inet_sock *inet = inet_sk(sp);
         __be32 dest = inet->inet_daddr;
@@ -1085,7 +1085,7 @@ static void ping_v4_format_sock(struct sock *sp, struct seq_file *f,
         __u16 srcp = ntohs(inet->inet_sport);
 
         seq_printf(f, "%5d: %08X:%04X %08X:%04X"
-                " %02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d %pK %d%n",
+                " %02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d %pK %d",
                 bucket, src, srcp, dest, destp, sp->sk_state,
                 sk_wmem_alloc_get(sp),
                 sk_rmem_alloc_get(sp),
@@ -1093,23 +1093,22 @@ static void ping_v4_format_sock(struct sock *sp, struct seq_file *f,
                 from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)),
                 0, sock_i_ino(sp),
                 atomic_read(&sp->sk_refcnt), sp,
-                atomic_read(&sp->sk_drops), len);
+                atomic_read(&sp->sk_drops));
 }
 
 static int ping_v4_seq_show(struct seq_file *seq, void *v)
 {
+        seq_setwidth(seq, 127);
         if (v == SEQ_START_TOKEN)
-                seq_printf(seq, "%-127s\n",
-                           "  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 ref pointer drops");
         else {
                 struct ping_iter_state *state = seq->private;
-                int len;
 
-                ping_v4_format_sock(v, seq, state->bucket, &len);
-                seq_printf(seq, "%*s\n", 127 - len, "");
+                ping_v4_format_sock(v, seq, state->bucket);
         }
+        seq_pad(seq, '\n');
         return 0;
 }
 
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 14bba8a1c5a7..59a6f8b90cd9 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2541,13 +2541,13 @@ void tcp_proc_unregister(struct net *net, struct tcp_seq_afinfo *afinfo)
 EXPORT_SYMBOL(tcp_proc_unregister);
 
 static void get_openreq4(const struct sock *sk, const struct request_sock *req,
-                         struct seq_file *f, int i, kuid_t uid, int *len)
+                         struct seq_file *f, int i, kuid_t uid)
 {
         const struct inet_request_sock *ireq = inet_rsk(req);
         long delta = req->expires - jiffies;
 
         seq_printf(f, "%4d: %08X:%04X %08X:%04X"
-                " %02X %08X:%08X %02X:%08lX %08X %5u %8d %u %d %pK%n",
+                " %02X %08X:%08X %02X:%08lX %08X %5u %8d %u %d %pK",
                 i,
                 ireq->ir_loc_addr,
                 ntohs(inet_sk(sk)->inet_sport),
@@ -2562,11 +2562,10 @@ static void get_openreq4(const struct sock *sk, const struct request_sock *req,
                 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;
@@ -2605,7 +2604,7 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
                 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 %5u %8d %lu %d %pK %lu %lu %u %u %d%n",
+                        "%08X %5u %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,
@@ -2622,12 +2621,11 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
                 tp->snd_cwnd,
                 sk->sk_state == TCP_LISTEN ?
                     (fastopenq ? fastopenq->max_qlen : 0) :
-                    (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;
@@ -2639,10 +2637,10 @@ static void get_timewait4_sock(const struct inet_timewait_sock *tw,
         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_delta_to_clock_t(delta), 0, 0, 0, 0,
-                atomic_read(&tw->tw_refcnt), tw, len);
+                atomic_read(&tw->tw_refcnt), tw);
 }
 
 #define TMPSZ 150
@@ -2651,11 +2649,10 @@ static int tcp4_seq_show(struct seq_file *seq, void *v)
 {
         struct tcp_iter_state *st;
         struct sock *sk = v;
-        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;
@@ -2666,16 +2663,16 @@ static int tcp4_seq_show(struct seq_file *seq, void *v)
         case TCP_SEQ_STATE_LISTENING:
         case TCP_SEQ_STATE_ESTABLISHED:
                 if (sk->sk_state == TCP_TIME_WAIT)
-                        get_timewait4_sock(v, seq, st->num, &len);
+                        get_timewait4_sock(v, seq, st->num);
                 else
-                        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;
         }
-        seq_printf(seq, "%*s\n", TMPSZ - 1 - len, "");
 out:
+        seq_pad(seq, '\n');
         return 0;
 }
 
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 89909dd730dd..de86e5bc4462 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2331,7 +2331,7 @@ EXPORT_SYMBOL(udp_proc_unregister);
 
 /* ------------------------------------------------------------------------ */
 static void udp4_format_sock(struct sock *sp, struct seq_file *f,
-                int bucket, int *len)
+                int bucket)
 {
         struct inet_sock *inet = inet_sk(sp);
         __be32 dest = inet->inet_daddr;
@@ -2340,7 +2340,7 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
         __u16 srcp        = ntohs(inet->inet_sport);
 
         seq_printf(f, "%5d: %08X:%04X %08X:%04X"
-                " %02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d %pK %d%n",
+                " %02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d %pK %d",
                 bucket, src, srcp, dest, destp, sp->sk_state,
                 sk_wmem_alloc_get(sp),
                 sk_rmem_alloc_get(sp),
@@ -2348,23 +2348,22 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
                 from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)),
                 0, sock_i_ino(sp),
                 atomic_read(&sp->sk_refcnt), sp,
-                atomic_read(&sp->sk_drops), len);
+                atomic_read(&sp->sk_drops));
 }
 
 int udp4_seq_show(struct seq_file *seq, void *v)
 {
+        seq_setwidth(seq, 127);
         if (v == SEQ_START_TOKEN)
-                seq_printf(seq, "%-127s\n",
-                           "  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 ref pointer drops");
         else {
                 struct udp_iter_state *state = seq->private;
-                int len;
 
-                udp4_format_sock(v, seq, state->bucket, &len);
-                seq_printf(seq, "%*s\n", 127 - len, "");
+                udp4_format_sock(v, seq, state->bucket);
         }
+        seq_pad(seq, '\n');
         return 0;
 }
 
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 77e38f733496..008214a3d5eb 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -595,26 +595,25 @@ static void pn_sock_seq_stop(struct seq_file *seq, void *v)
 
 static int pn_sock_seq_show(struct seq_file *seq, void *v)
 {
-        int len;
-
+        seq_setwidth(seq, 127);
         if (v == SEQ_START_TOKEN)
-                seq_printf(seq, "%s%n", "pt  loc  rem rs st tx_queue rx_queue "
-                        "  uid inode ref pointer drops", &len);
+                seq_puts(seq, "pt  loc  rem rs st tx_queue rx_queue "
+                        "  uid inode ref pointer drops");
         else {
                 struct sock *sk = v;
                 struct pn_sock *pn = pn_sk(sk);
 
                 seq_printf(seq, "%2d %04X:%04X:%02X %02X %08X:%08X %5d %lu "
-                        "%d %pK %d%n",
+                        "%d %pK %d",
                         sk->sk_protocol, pn->sobject, pn->dobject,
                         pn->resource, sk->sk_state,
                         sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk),
                         from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
                         sock_i_ino(sk),
                         atomic_read(&sk->sk_refcnt), sk,
-                        atomic_read(&sk->sk_drops), &len);
+                        atomic_read(&sk->sk_drops));
         }
-        seq_printf(seq, "%*s\n", 127 - len, "");
+        seq_pad(seq, '\n');
         return 0;
 }
 
@@ -785,20 +784,19 @@ static void pn_res_seq_stop(struct seq_file *seq, void *v)
 
 static int pn_res_seq_show(struct seq_file *seq, void *v)
 {
-        int len;
-
+        seq_setwidth(seq, 63);
         if (v == SEQ_START_TOKEN)
-                seq_printf(seq, "%s%n", "rs   uid inode", &len);
+                seq_puts(seq, "rs   uid inode");
         else {
                 struct sock **psk = v;
                 struct sock *sk = *psk;
 
-                seq_printf(seq, "%02X %5u %lu%n",
+                seq_printf(seq, "%02X %5u %lu",
                            (int) (psk - pnres.sk),
                            from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
-                           sock_i_ino(sk), &len);
+                           sock_i_ino(sk));
         }
-        seq_printf(seq, "%*s\n", 63 - len, "");
+        seq_pad(seq, '\n');
         return 0;
 }
 
diff --git a/net/sctp/objcnt.c b/net/sctp/objcnt.c
index 5ea573b37648..647396baa56f 100644
--- a/net/sctp/objcnt.c
+++ b/net/sctp/objcnt.c
@@ -79,12 +79,13 @@ static sctp_dbg_objcnt_entry_t sctp_dbg_objcnt[] = {
  */
 static int sctp_objcnt_seq_show(struct seq_file *seq, void *v)
 {
-        int i, len;
+        int i;
 
         i = (int)*(loff_t *)v;
-        seq_printf(seq, "%s: %d%n", sctp_dbg_objcnt[i].label,
-                                atomic_read(sctp_dbg_objcnt[i].counter), &len);
-        seq_printf(seq, "%*s\n", 127 - len, "");
+        seq_setwidth(seq, 127);
+        seq_printf(seq, "%s: %d", sctp_dbg_objcnt[i].label,
+                                atomic_read(sctp_dbg_objcnt[i].counter));
+        seq_pad(seq, '\n');
         return 0;
 }