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 <joe@xxxxxxxxxxx>
---
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);
}
/*
--
2.10.0.rc2.1.g053435c
--
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