Re: [linux-safety] [PATCH] printk: remove obsolete dead assignment

"Petr Mladek via lists.elisa.tech" <[email protected]> Tue, 8 Dec 2020 17:00:31 +0100

Newsgroups	tech.elisa.lists.linux-safety,org.kernel.vger.kernel-janitors,org.kernel.vger.linux-kernel
Message-ID	<X8+jHx7sRlroUM8u@alley>

On Mon 2020-11-30 13:49:15, Lukas Bulwahn wrote:
> Commit 849f3127bb46 ("switch /dev/kmsg to ->write_iter()") refactored
> devkmsg_write() and left over a dead assignment on the variable 'len'.
> 
> Hence, make clang-analyzer warns:
> 
>   kernel/printk/printk.c:744:4: warning: Value stored to 'len' is never read
>     [clang-analyzer-deadcode.DeadStores]
>                           len -= endp - line;
>                           ^
> 
> Simply remove this obsolete dead assignment here.
> 
> Signed-off-by: Lukas Bulwahn <[email protected]>

The patch is committed in printk/linux.git, branch for-5.11.

Best Regards,
Petr


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