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io_uring/nop: pass all errors to userspace

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[ Upstream commit e97ff8b62d ]

This fixes an inconsistency where io_nop() called req_set_fail()
based on ret, but passed just nop->result to userspace.
Originally, ret is a even copy of nop->result, but is set to an error
when such happens subsequently. Now that's also passed to userspace.

Fixes: a85f31052b ("io_uring/nop: add support for testing registered files and buffers")
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://patch.msgid.link/20260520180045.538533-1-grandmaster@al2klimov.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alexander A. Klimov
2026-06-01 17:51:08 +02:00
committed by Greg Kroah-Hartman
parent e334cbf338
commit 6836f69412
1 changed files with 2 additions and 2 deletions
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io_uring/nop.c
+2 -2
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@@ -79,9 +79,9 @@ done:
if (ret < 0)
req_set_fail(req);
if (nop->flags & IORING_NOP_CQE32)
io_req_set_res32(req, nop->result, 0, nop->extra1, nop->extra2);
io_req_set_res32(req, ret, 0, nop->extra1, nop->extra2);
else
io_req_set_res(req, nop->result, 0);
io_req_set_res(req, ret, 0);
if (nop->flags & IORING_NOP_TW) {
req->io_task_work.func = io_req_task_complete;
io_req_task_work_add(req);