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Re: [PATCH 2/4] staging: wlan-ng: use GENMASK macro in different defines of p80211hdr.h

From Dan Carpenter <dan.carpenter@oracle.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/4] staging: wlan-ng: use GENMASK macro in different defines of p80211hdr.h
Date 2016-11-15 13:40 +0100
Message-ID <sDLbQ-4VX-9@gated-at.bofh.it> (permalink)
References <sC278-1l5-1@gated-at.bofh.it> <sC279-1l5-39@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, Nov 10, 2016 at 07:16:40PM +0100, Sergio Paracuellos wrote:
> -#define WLAN_GET_FC_FTYPE(n)	((((u16)(n)) & (BIT(2) | BIT(3))) >> 2)
> -#define WLAN_GET_FC_FSTYPE(n)	((((u16)(n)) & \
> -				(BIT(4) | BIT(5) | BIT(6) | BIT(7))) >> 4)
> +#define WLAN_GET_FC_FTYPE(n)	((((u16)(n)) & GENMASK(3, 2)) >> 2)
> +#define WLAN_GET_FC_FSTYPE(n)	((((u16)(n)) & GENMASK(7, 4)) >> 4)

The casts to u16 are not needed.

regards,
dan carpenter

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Re: [PATCH 2/4] staging: wlan-ng: use GENMASK macro in different  defines of p80211hdr.h Dan Carpenter <dan.carpenter@oracle.com> - 2016-11-15 13:40 +0100

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