btrfs: define the AUTO_KFREE/AUTO_KVFREE helper macros

These are two simple macros which ensure that a pointer is initialized
to NULL and with the proper cleanup attribute for it.

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Miquel Sabaté Solà 2025-10-24 12:21:41 +02:00 • committed by David Sterba
commit d00cbce0a7