From 4f5a98410d29bf87f587b19f5ae4e244b1ed4e18 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Mon, 5 Jun 2017 05:22:50 -0700 Subject: [PATCH] ppp: mppe: Use vsnprintf extension %phN Using this extension reduces the object size. $ size drivers/net/ppp/ppp_mppe.o* text data bss dec hex filename 5683 216 8 5907 1713 drivers/net/ppp/ppp_mppe.o.new 5808 216 8 6032 1790 drivers/net/ppp/ppp_mppe.o.old Signed-off-by: Joe Perches Signed-off-by: David S. Miller --- drivers/net/ppp/ppp_mppe.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/net/ppp/ppp_mppe.c b/drivers/net/ppp/ppp_mppe.c index f60f7660b451..6c7fd98cb00a 100644 --- a/drivers/net/ppp/ppp_mppe.c +++ b/drivers/net/ppp/ppp_mppe.c @@ -298,21 +298,14 @@ mppe_init(void *arg, unsigned char *options, int optlen, int unit, int debug, mppe_rekey(state, 1); if (debug) { - int i; - char mkey[sizeof(state->master_key) * 2 + 1]; - char skey[sizeof(state->session_key) * 2 + 1]; - printk(KERN_DEBUG "%s[%d]: initialized with %d-bit %s mode\n", debugstr, unit, (state->keylen == 16) ? 128 : 40, (state->stateful) ? "stateful" : "stateless"); - - for (i = 0; i < sizeof(state->master_key); i++) - sprintf(mkey + i * 2, "%02x", state->master_key[i]); - for (i = 0; i < sizeof(state->session_key); i++) - sprintf(skey + i * 2, "%02x", state->session_key[i]); printk(KERN_DEBUG - "%s[%d]: keys: master: %s initial session: %s\n", - debugstr, unit, mkey, skey); + "%s[%d]: keys: master: %*phN initial session: %*phN\n", + debugstr, unit, + (int)sizeof(state->master_key), state->master_key, + (int)sizeof(state->session_key), state->session_key); } /* -- 2.30.2