2021-04-07 20:55:13

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH] brcmsmac: fix shift on 4 bit masked value

Colin King <[email protected]> writes:

> From: Colin Ian King <[email protected]>
>
> The calculation of offtune_val seems incorrect, the u16 value in
> pi->tx_rx_cal_radio_saveregs[2] is being masked with 0xf0 and then
> shifted 8 places right so that always ends up as a zero result. I
> believe the intended shift was 4 bits to the right. Fix this.
>
> [Note: not tested, I don't have the H/W]
>
> Addresses-Coverity: ("Operands don't affect result")
> Fixes: 5b435de0d786 ("net: wireless: add brcm80211 drivers")
> Signed-off-by: Colin Ian King <[email protected]>

Can someone ack this?

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