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| author | ZiyangZhang <[email protected]> | 2022-08-10 05:52:12 +0000 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2022-08-13 14:35:28 +0000 |
| commit | 92cb6e2e5dbaea02c2fa317f3543c8918db25e89 (patch) | |
| tree | f53af683fc1277fa9a3c56d8ca660a19ade4bea8 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | block: Do not call blk_put_queue() if gendisk allocation fails (diff) | |
| download | kernel-92cb6e2e5dbaea02c2fa317f3543c8918db25e89.tar.gz kernel-92cb6e2e5dbaea02c2fa317f3543c8918db25e89.zip | |
ublk_drv: update iod->addr for UBLK_IO_NEED_GET_DATA
If ublksrv sends UBLK_IO_NEED_GET_DATA with new allocated io buffer, we
have to update iod->addr in task_work before calling io_uring_cmd_done().
Then usersapce target can handle (write)io request with the new io
buffer reading from updated iod.
Without this change, userspace target may touch a wrong io buffer!
Signed-off-by: ZiyangZhang <[email protected]>
Reviewed-by: Ming Lei <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
0 files changed, 0 insertions, 0 deletions