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authorJens Axboe <axboe@kernel.dk>2023-03-03 16:49:57 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-03-03 17:13:15 +0300
commitda24142b1ef9fd5d36b76e36bab328a5b27523e8 (patch)
treeb8e9ff1cb05426726229daa93186056ad90676a9 /io_uring
parenta25aa776b0c49b17c67ee047e58537552f16776f (diff)
downloadlinux-da24142b1ef9fd5d36b76e36bab328a5b27523e8.tar.xz
io_uring: ensure that io_init_req() passes in the right issue_flags
We can't use 0 here, as io_init_req() is always invoked with the ctx uring_lock held. Newer kernels have IO_URING_F_UNLOCKED for this, but previously we used IO_URING_F_NONBLOCK to indicate this as well. Fixes: 08681391b84d ("io_uring: add missing lock in io_get_file_fixed") Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'io_uring')
-rw-r--r--io_uring/io_uring.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 0c27b81ee1eb..cf6f8aeb450d 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -7139,7 +7139,8 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
if (io_op_defs[req->opcode].needs_file) {
req->file = io_file_get(ctx, req, READ_ONCE(sqe->fd),
- (sqe_flags & IOSQE_FIXED_FILE), 0);
+ (sqe_flags & IOSQE_FIXED_FILE),
+ IO_URING_F_NONBLOCK);
if (unlikely(!req->file))
ret = -EBADF;
}