io_uring: fix early fdput() of file

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A previous commit shuffled some code around, and inadvertently used
struct file after fdput() had been called on it. As we can't touch
the file post fdput() dropping our reference, move the fdput() to
after that has been done.

Cc: Pavel Begunkov <asml.silence@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/io-uring/YPnqM0fY3nM5RdRI@zeniv-ca.linux.org.uk/
Fixes: f2a48dd09b ("io_uring: refactor io_sq_offload_create()")
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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This commit is contained in:

Jens Axboe 2021-07-22 17:08:07 -06:00

parent 362a9e6528

commit 0cc936f74b

1 changed files with 4 additions and 2 deletions

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fs/io_uring.c

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