Re: [PATCH] printk: remove obsolete dead assignment

From: Petr Mladek
Date: Tue Dec 08 2020 - 11:01:34 EST


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 <lukas.bulwahn@xxxxxxxxx>

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

Best Regards,
Petr