On Wed, Aug 21, 2019 at 07:18:39PM +0100, Colin Ian King wrote:
> Hi,
> 
> Static analysis of linux-next picked up an issue with the following commit:
> 
> commit 8fc8598e61f6f384f3eaf1d9b09500c12af47b37
> Author: Jerry Chuang <jerry-chu...@realtek.com>
> Date:   Tue Nov 3 07:17:11 2009 -0200
> 
>     Staging: Added Realtek rtl8192u driver to staging
> 
> In drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c we have:
> 
> CID 48331 (#1 of 1): Unused value (UNUSED_VALUE) assigned_pointer
> 
> Assigning value from ieee->crypt[ieee->tx_keyidx] to crypt here, but
> that stored value is not used.
> 
> 746        crypt = ieee->crypt[ieee->tx_keyidx];
> 747        if (encrypt)
> 748                beacon_buf->capability |=
> cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
> 
> Pointer crypt is being assigned but is never used afterwards.  Now
> either this is a redundant assignment and can be removed OR maybe crypt
> should be checked and there is a typo, e.g.:
> 
>       crypt = ieee->crypt[ieee->tx_keyidx];
>       if (crypt)
>               ...
> 
> Either way, it's not clear to me and I think the code needs cleaning up.
> Any ideas?

10+ year old code, yeah!!!

Just guess, who knows, no one seems to care :(

greg k-h
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