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Date: Thu, 12 Mar 2020 17:30:19 +0300 From: Dan Carpenter <dan.carpenter@...cle.com> To: Jerome Pouiller <Jerome.Pouiller@...abs.com> Cc: devel@...verdev.osuosl.org, linux-wireless@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "David S . Miller" <davem@...emloft.net>, Kalle Valo <kvalo@...eaurora.org> Subject: Re: [PATCH 3/5] staging: wfx: make warning about pending frame less scary On Tue, Mar 10, 2020 at 11:13:54AM +0100, Jerome Pouiller wrote: > From: Jérôme Pouiller <jerome.pouiller@...abs.com> > > Removing station while some traffic is in progress may happen. > You're doing this in every commit where you start the commit message in the subject and then just keep writing. Take a look at your patch in this URL. Try to find the subject. https://marc.info/?l=linux-driver-devel&m=158383526527951&w=2 The subject is far separated from the body of the commit message. I normally read the patch first, then I read the commit message and I don't read the subject at all. Or sometimes I only read the subject. https://www.designershumor.com/2019/09/30/you-will-read-this-first-meme/ So it really helps me if the commit message restates the subject. The truth is that I don't really even like the advice that Josh wrote in the howto about patch descriptions. I normally start by explaining the problem then how I solved it. But I try not to be a pedant, so long as I can understand the problem and the patch that's fine. So how I would write this commit message is: The warning message about releasing a station while Tx is in progress will trigger a stack trace, possibly a reboot depending on the configuration, and a syzbot email. It's not necessarily a big deal that transmission is still in process so let's make the warning less scary. > Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com> > --- > drivers/staging/wfx/sta.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/staging/wfx/sta.c b/drivers/staging/wfx/sta.c > index 03d0f224ffdb..010e13bcd33e 100644 > --- a/drivers/staging/wfx/sta.c > +++ b/drivers/staging/wfx/sta.c > @@ -605,7 +605,9 @@ int wfx_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, > int i; > > for (i = 0; i < ARRAY_SIZE(sta_priv->buffered); i++) > - WARN(sta_priv->buffered[i], "release station while Tx is in progress"); > + if (sta_priv->buffered[i]) > + dev_warn(wvif->wdev->dev, "release station while %d pending frame on queue %d", > + sta_priv->buffered[i], i); Why print a warning message at all if this is a normal situation? Just delete the whole thing. regards, dan carpenter
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