n_gsm: Use print_hex_dump_bytes
Use the standard mechanism to print a hex buffer
to eliminate empty printf warning.
A couple % smaller text and data too.
$ size drivers/tty/n_gsm.o*
text data bss dec hex filename
23543 312 6376 30231 7617 drivers/tty/n_gsm.o.new
24051 408 6496 30955 78eb drivers/tty/n_gsm.o.old
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 6abc735..720160a 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -526,19 +526,6 @@
return olen;
}
-static void hex_packet(const unsigned char *p, int len)
-{
- int i;
- for (i = 0; i < len; i++) {
- if (i && (i % 16) == 0) {
- pr_cont("\n");
- pr_debug("");
- }
- pr_cont("%02X ", *p++);
- }
- pr_cont("\n");
-}
-
/**
* gsm_send - send a control frame
* @gsm: our GSM mux
@@ -685,10 +672,10 @@
len = msg->len + 2;
}
- if (debug & 4) {
- pr_debug("gsm_data_kick:\n");
- hex_packet(gsm->txframe, len);
- }
+ if (debug & 4)
+ print_hex_dump_bytes("gsm_data_kick: ",
+ DUMP_PREFIX_OFFSET,
+ gsm->txframe, len);
if (gsm->output(gsm, gsm->txframe + skip_sof,
len - skip_sof) < 0)
@@ -2091,10 +2078,9 @@
set_bit(TTY_DO_WRITE_WAKEUP, &gsm->tty->flags);
return -ENOSPC;
}
- if (debug & 4) {
- pr_debug("-->%d bytes out\n", len);
- hex_packet(data, len);
- }
+ if (debug & 4)
+ print_hex_dump_bytes("gsmld_output: ", DUMP_PREFIX_OFFSET,
+ data, len);
gsm->tty->ops->write(gsm->tty, data, len);
return len;
}
@@ -2148,10 +2134,9 @@
char buf[64];
char flags;
- if (debug & 4) {
- pr_debug("Inbytes %dd\n", count);
- hex_packet(cp, count);
- }
+ if (debug & 4)
+ print_hex_dump_bytes("gsmld_receive: ", DUMP_PREFIX_OFFSET,
+ cp, count);
for (i = count, dp = cp, f = fp; i; i--, dp++) {
flags = *f++;
