ext4: remove the access_ok() check in ext4_ioctl_get_es_cache
authorChristoph Hellwig <hch@lst.de>
Sat, 23 May 2020 07:30:16 +0000 (09:30 +0200)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 4 Jun 2020 03:16:55 +0000 (23:16 -0400)
commitba988903937c1b1ce5d54567b50f2ad9604b3bfe
treefbd513ee562021b45b3c1890734d552e2d25ca1d
parentc7d216e8c44cfc0b680d8c0de4f9bdafd92f7ef6
ext4: remove the access_ok() check in ext4_ioctl_get_es_cache

access_ok just checks we are fed a proper user pointer.  We also do that
in copy_to_user itself, so no need to do this early.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20200523073016.2944131-10-hch@lst.de
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/ioctl.c