From: Johannes Berg <johannes@sipsolutions.net>
To: Omer Efrat <omer.efrat@tandemg.com>, linux-wireless@vger.kernel.org
Cc: devel@driverdev.osuosl.org
Subject: Re: [PATCH v2 5/5] staging: use BIT_ULL for NL80211_STA_INFO_* attribute types
Date: Thu, 14 Jun 2018 13:09:34 +0200 [thread overview]
Message-ID: <1528974574.26847.4.camel@sipsolutions.net> (raw)
In-Reply-To: <1528971217-566-1-git-send-email-omer.efrat@tandemg.com> (sfid-20180614_121347_502894_F98D1325)
On Thu, 2018-06-14 at 13:13 +0300, Omer Efrat wrote:
> Since 'filled' member in station_info changed to u64, BIT_ULL macro
> should be used with NL80211_STA_INFO_* attribute types instead of BIT.
>
> The BIT macro uses unsigned long type which some architectures handle as 32bit
> and this results in compilation warnings such as:
>
> net/mac80211/sta_info.c:2223:2: warning: left shift count >= width of type
> sinfo->filled |= BIT(NL80211_STA_INFO_TID_STATS);
> ^
Same here, I don't think this patch is really needed, but I'll leave it
up to Greg.
Greg, FWIW, only a few values are >=31 to need this, including the one
pointed out in the commit message, but none in this code are affected.
johannes
next prev parent reply other threads:[~2018-06-14 11:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-14 10:13 [PATCH v2 5/5] staging: use BIT_ULL for NL80211_STA_INFO_* attribute types Omer Efrat
2018-06-14 11:09 ` Johannes Berg [this message]
2018-06-15 11:25 ` Greg KH
2018-06-15 11:26 ` Greg KH
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