On Wed, Jul 01, 2020 at 09:21:20PM -0400, Sasha Levin wrote: > From: Waiman Long <longman@xxxxxxxxxx> > > [ Upstream commit b091f7fede97cc64f7aaad3eeb37965aebee3082 ] > > In btrfs_ioctl_get_subvol_info(), there is a classic case where kzalloc() > was incorrectly paired with kzfree(). According to David Sterba, there > isn't any sensitive information in the subvol_info that needs to be > cleared before freeing. So kzfree() isn't really needed, use kfree() > instead. I don't think this patch is necessary for any stable tree, it's meant only to ease merging a tree-wide patchset to rename kzfree. In btrfs code there was no point using it so it's plain kfree.
