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| author | Jens Axboe <axboe@kernel.dk> | 2019-12-09 19:35:20 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-12-10 16:33:23 -0700 |
| commit | d96885658d9971fc2c752b8699f17a42ef745db6 (patch) | |
| tree | f6fb15cdd94aff921236b141bc4c49450a74985f /fs | |
| parent | 8a4955ff1cca7d4da480774034a16e7c28bafec8 (diff) | |
| download | linux-d96885658d9971fc2c752b8699f17a42ef745db6.tar.gz linux-d96885658d9971fc2c752b8699f17a42ef745db6.tar.bz2 linux-d96885658d9971fc2c752b8699f17a42ef745db6.zip | |
io_uring: deferred send/recvmsg should assign iov
Don't just assign it from the main call path, that can miss the case
when we're called from issue deferral.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/io_uring.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 366fc351869d..b84def504201 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2026,6 +2026,7 @@ static int io_sendmsg_prep(struct io_kiocb *req, struct io_async_ctx *io) flags = READ_ONCE(sqe->msg_flags); msg = (struct user_msghdr __user *)(unsigned long) READ_ONCE(sqe->addr); + io->msg.iov = io->msg.fast_iov; return sendmsg_copy_msghdr(&io->msg.msg, msg, flags, &io->msg.iov); #else return 0; @@ -2061,7 +2062,6 @@ static int io_sendmsg(struct io_kiocb *req, const struct io_uring_sqe *sqe, } else { kmsg = &io.msg.msg; kmsg->msg_name = &addr; - io.msg.iov = io.msg.fast_iov; ret = io_sendmsg_prep(req, &io); if (ret) goto out; @@ -2104,6 +2104,7 @@ static int io_recvmsg_prep(struct io_kiocb *req, struct io_async_ctx *io) flags = READ_ONCE(sqe->msg_flags); msg = (struct user_msghdr __user *)(unsigned long) READ_ONCE(sqe->addr); + io->msg.iov = io->msg.fast_iov; return recvmsg_copy_msghdr(&io->msg.msg, msg, flags, &io->msg.uaddr, &io->msg.iov); #else @@ -2143,7 +2144,6 @@ static int io_recvmsg(struct io_kiocb *req, const struct io_uring_sqe *sqe, } else { kmsg = &io.msg.msg; kmsg->msg_name = &addr; - io.msg.iov = io.msg.fast_iov; ret = io_recvmsg_prep(req, &io); if (ret) goto out; |