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(parent: e9d5d4a) | patch
fs/fcntl: use copy_to/from_user() for u64 types
authorJens Axboe <axboe@kernel.dk>
Wed, 28 Jun 2017 14:09:45 +0000 (08:09 -0600)
committerJens Axboe <axboe@kernel.dk>
Wed, 28 Jun 2017 14:09:45 +0000 (08:09 -0600)
commit5657cb0797c4ab303f5782442095319bd971257b
treeca0b3a6843965f6da3128472491f47cd3f6f3785tree | snapshot (tar.gz zip)
parente9d5d4a0c13f47e331e39a4c66a9b3da701b280bcommit | diff
fs/fcntl: use copy_to/from_user() for u64 types

Some architectures (at least PPC) doesn't like get/put_user with
64-bit types on a 32-bit system. Use the variably sized copy
to/from user variants instead.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: c75b1d9421f8 ("fs: add fcntl() interface for setting/getting write life time hints")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/fcntl.c diff | blob | blame | history