Re: [PATCH] ext4: extents: Remove unnecessary ‘NULL’ values from ablocks

[Theodore Ts'o]

On Tue, Apr 02, 2024 at 10:48:04AM +0800, Li zeming wrote:
> ablocks is assigned first, so it does not need to initialize the
> assignment.

That's technically true, but the compiler is perfectly capable of
optimizing it out.  So it's harmless, and removing it does make the
code a bit more fragile, since it needs to be set so that the cleanup
code doesn't accidentally dereference an uninitialized pointer.

Cheers,

					- Ted