linux-kernel - staging: Add rtl8723bs sdio wifi driver

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Date:   Tue, 21 May 2019 14:49:25 +0100
From:   Colin Ian King <colin.king@...onical.com>
To:     Hans de Goede <hdegoede@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: staging: Add rtl8723bs sdio wifi driver

Hi,

static analysis with Coverity has detected an issues in the rtl8723bs
wifi driver:

File: drivers/staging/rtl8723bs/os_dep/ioctl_linux.c in function
rtw_dbg_port():

CID 18480: Operands don't affect result (CONSTANT_EXPRESSION_RESULT)
dead_error_condition: The condition (extra_arg & 7U) > 7U cannot be true.

        if ((extra_arg & 0x07) > 0x07)
                padapter->driver_ampdu_spacing = 0xFF;
        else
                padapter->driver_ampdu_spacing = extra_arg;


I'm not sure if the mask is (in)correct or the value it is being
compared to 0x07 is (in)correct (or both!)

Colin