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authorPavel Emelyanov <xemul@openvz.org>2008-04-24 01:02:16 -0700
committerDavid S. Miller <davem@davemloft.net>2008-04-24 01:02:16 -0700
commit5e659e4cb0eedacdc1f621a61e400a4611ddef8a (patch)
treefa3c8743010dd640c48584a6fa8a910d27350c01 /net/sctp/objcnt.c
parent3d36696024499aef19dbf24a781e91a24fbbe4af (diff)
[NET]: Fix heavy stack usage in seq_file output routines.
Plan C: we can follow the Al Viro's proposal about %n like in this patch. The same applies to udp, fib (the /proc/net/route file), rt_cache and sctp debug. This is minus ~150-200 bytes for each. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/objcnt.c')
-rw-r--r--net/sctp/objcnt.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/net/sctp/objcnt.c b/net/sctp/objcnt.c
index cfeb07ea1b0..f73ec0ea93b 100644
--- a/net/sctp/objcnt.c
+++ b/net/sctp/objcnt.c
@@ -83,13 +83,12 @@ static sctp_dbg_objcnt_entry_t sctp_dbg_objcnt[] = {
*/
static int sctp_objcnt_seq_show(struct seq_file *seq, void *v)
{
- int i;
- char temp[128];
+ int i, len;
i = (int)*(loff_t *)v;
- sprintf(temp, "%s: %d", sctp_dbg_objcnt[i].label,
- atomic_read(sctp_dbg_objcnt[i].counter));
- seq_printf(seq, "%-127s\n", temp);
+ 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, "");
return 0;
}