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>

1 files changed, 7 insertions, 6 deletions

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');
                 }
         }