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n_gsm: Use print_hex_dump_bytes

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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>
This commit is contained in:
Joe Perches 2011-04-25 16:46:49 -07:00 committed by Greg Kroah-Hartman
parent df43daaae9
commit 0a77c4f9d4
1 changed files with 10 additions and 25 deletions
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35
drivers/tty/n_gsm.c
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@ -526,19 +526,6 @@ static int gsm_stuff_frame(const u8 *input, u8 *output, int len)
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 @@ static void gsm_data_kick(struct gsm_mux *gsm)
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 @@ static int gsmld_output(struct gsm_mux *gsm, u8 *data, int len)
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 @@ static unsigned int gsmld_receive_buf(struct tty_struct *tty,
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++;