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io_uring: allow AT_FDCWD for non-file openat/openat2/statx

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Don't just check for dirfd == -1, we should allow AT_FDCWD as well for
relative lookups.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2020-02-06 21:42:51 -07:00
parent ff002b3018
commit 0b5faf6ba7
1 changed files with 1 additions and 1 deletions
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2
fs/io_uring.c
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@ -4543,7 +4543,7 @@ static int io_req_needs_file(struct io_kiocb *req, int fd)
{
if (!io_op_defs[req->opcode].needs_file)
return 0;
if (fd == -1 && io_op_defs[req->opcode].fd_non_neg)
if ((fd == -1 || fd == AT_FDCWD) && io_op_defs[req->opcode].fd_non_neg)
return 0;
return 1;
}