Re: [PATCH] fs/btrfs: Fix uninitialized variable

[Dan Carpenter]

On Sat, May 01, 2021 at 11:50:46PM +0100, Khaled ROMDHANI wrote:
> Fix the warning: variable 'zone' is used
> uninitialized whenever '?:' condition is true.
> 
> Fix that by preventing the code to reach
> the last assertion. If the variable 'mirror'
> is invalid, the assertion fails and we return
> immediately.
> 
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Khaled ROMDHANI <khaledromdhani216@xxxxxxxxx>
> ---

This is not how you send a v4 patch...  v2 patches have to apply to the
original code and not on top of the patched code.

I sort of think you should find a different thing to work on.  This code
works fine as-is.  Just leave it and try to find a real bug and fix that
instead.

regards,
dan carpenter