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SubjectRe: [PATCH v2 1/3] tty: n_gsm: Improve debug output
Date
Hello Jiri,

> On 12. 05. 20, 13:53, Gregory CLEMENT wrote:
>> Use appropriate print helpers for debug messages.
>>
>> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
>> ---
>> drivers/tty/n_gsm.c | 14 ++------------
>> 1 file changed, 2 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
>> index d77ed82a4840..67c8f8173023 100644
>> --- a/drivers/tty/n_gsm.c
>> +++ b/drivers/tty/n_gsm.c
>> @@ -504,18 +504,8 @@ static void gsm_print_packet(const char *hdr, int addr, int cr,
>> else
>> pr_cont("(F)");
>>
>> - if (dlen) {
>> - int ct = 0;
>> - while (dlen--) {
>> - if (ct % 8 == 0) {
>> - pr_cont("\n");
>> - pr_debug(" ");
>> - }
>> - pr_cont("%02X ", *data++);
>> - ct++;
>> - }
>> - }
>> - pr_cont("\n");
>> + if (dlen)
>
> This test is superfluous. print_hex_dump_* won't write anything when
> zero length is passed to it.

As I will send a v3 due to the issue found on the last patch, I am also
going to fix this.

Gregory

>
>> + print_hex_dump_bytes("", DUMP_PREFIX_NONE, data, dlen);
>> }
>
> thanks,
> --
> js
> suse labs

--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com

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