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When expanding a cache block we use krealloc() to resize the register present bitmap without initialising the newly allocated data (the original code was written for kzalloc()). Add an appropraite memset() to fix that. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJVyztsAAoJECTWi3JdVIfQ8QIH/RGXFhPUPWdXhi4JYn8+bIGb 6SSBzsxGlCocWBrzyaZRcz/WB7Na7t+oXoYEjk8CA+/8zPLRoCXHKmIETmQW0+7G hUY+YNk8xxUtPuReeGgqZ7z9l9mC2f0UVPvgWn6dELamxtqr0LmODdKp5D3vLQLp c2eFqZr3wjYwC9vuWElaUftyQzSYaj6Rr6PnZ6bD/pN/YY3zd53gt7QluT9SzUxs 5uZXhd1UD6GTDxCrtfqemlEaOYpQOdMO0h/3Eko4MbdCeq3bOq6kn9a+E7nfvE4v dIeEdafqVABgKHi66B83Fu/5eJI+kI+qo9u2QuWLB9AWAJnZuiZc968eIDaKMBE= =GTVe -----END PGP SIGNATURE----- Merge tag 'regmap-fix-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap fix from Mark Brown: "regmap: Fix handling of present bits on rbtree cache block resize When expanding a cache block we use krealloc() to resize the register present bitmap without initialising the newly allocated data (the original code was written for kzalloc()). Add an appropraite memset() to fix that" * tag 'regmap-fix-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: regcache-rbtree: Clean new present bits on present bitmap resize