linux-bluetooth.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
To: Andrei Emeltchenko <andrei.emeltchenko.news@gmail.com>,
	<linux-bluetooth@vger.kernel.org>, <kanak.gupta@stericsson.com>,
	<ulrik.lauren@stericsson.com>, <henrik.possung@stericsson.com>
Subject: Re: [PATCH 2/2] Bluetooth: Fix usage of sk_sndtimeo value
Date: Thu, 10 Nov 2011 11:13:53 +0100	[thread overview]
Message-ID: <4EBBA3E1.70904@tieto.com> (raw)
In-Reply-To: <20111110095705.GA8486@aemeltch-MOBL1>

Hi Andrei,

On 10.11.2011 10:57, Andrei Emeltchenko wrote:
> Hi Andrzej,
>
> On Thu, Nov 10, 2011 at 10:37:25AM +0100, Andrzej Kaczmarek wrote:
>> sk_sndtimeo timeout value is specified in jiffes and should be
>> converted to miliseconds when used as input to __set_chan_timer.
>>
>> Signed-off-by: Andrzej Kaczmarek<andrzej.kaczmarek@tieto.com>
>> ---
>>   net/bluetooth/l2cap_core.c |    8 ++++----
>>   1 files changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
>> index f850684..3b0f807 100644
>> --- a/net/bluetooth/l2cap_core.c
>> +++ b/net/bluetooth/l2cap_core.c
>> @@ -446,7 +446,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
>>   		if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED&&
>>   					conn->hcon->type == ACL_LINK) {
>>   			__clear_chan_timer(chan);
>> -			__set_chan_timer(chan, sk->sk_sndtimeo);
>> +			__set_chan_timer(chan, jiffies_to_msecs(sk->sk_sndtimeo));
>
> Then __set_chan_timer do reverse conversion:
> mod_timer(timer, jiffies + msecs_to_jiffies(timeout))
>
> Look ugly :-(

Well, I agree. But problem here is that __set_chan_timer has miliseconds 
as input and sk_sndtimeo has to be specified in jiffies thus ugly double 
conversion.

But what about adding __set_chan_timer_jiffies macro and use it here?

BR,
Andrzej

  reply	other threads:[~2011-11-10 10:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-10  9:37 [PATCH 0/2] Fix usage of sk_sndtimeo value in l2cap Andrzej Kaczmarek
2011-11-10  9:37 ` [PATCH 1/2] Buetooth: Revert "Fixed wrong L2CAP Sock timer value" Andrzej Kaczmarek
2011-11-10  9:37 ` [PATCH 2/2] Bluetooth: Fix usage of sk_sndtimeo value Andrzej Kaczmarek
2011-11-10  9:57   ` Andrei Emeltchenko
2011-11-10 10:13     ` Andrzej Kaczmarek [this message]
2011-11-10 10:35       ` Andrei Emeltchenko
2011-11-10 12:09         ` Andrzej Kaczmarek
2011-12-18 23:31   ` Gustavo Padovan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4EBBA3E1.70904@tieto.com \
    --to=andrzej.kaczmarek@tieto.com \
    --cc=andrei.emeltchenko.news@gmail.com \
    --cc=henrik.possung@stericsson.com \
    --cc=kanak.gupta@stericsson.com \
    --cc=linux-bluetooth@vger.kernel.org \
    --cc=ulrik.lauren@stericsson.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).