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(parent: 45dd052) | patch
fs: remove the access_ok() check in ioctl_fiemap
authorChristoph Hellwig <hch@lst.de>
Sat, 23 May 2020 07:30:15 +0000 (09:30 +0200)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 4 Jun 2020 03:16:55 +0000 (23:16 -0400)
commitc7d216e8c44cfc0b680d8c0de4f9bdafd92f7ef6
tree144f957706d8bc5a569f7b5346c9f24f44feee47tree | snapshot
parent45dd052e67ad17c7a24874a783f41aeab15bc294commit | diff
fs: remove the access_ok() check in ioctl_fiemap

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: Darrick J. Wong <darrick.wong@oracle.com>
Link: https://lore.kernel.org/r/20200523073016.2944131-9-hch@lst.de
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ioctl.c diff | blob | history
Domain: System / Kernel;