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>
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 9afbdb1..cbc85f6 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -1076,7 +1076,7 @@
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 @@
__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 @@
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;
}