selftests/ublk: fix error handling for starting device

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[ Upstream commit 23e62cf755 ]

Fix error handling in ublk_start_daemon() when start_dev fails:

1. Call ublk_ctrl_stop_dev() to cancel inflight uring_cmd before
   cleanup. Without this, the device deletion may hang waiting for
   I/O completion that will never happen.

2. Add fail_start label so that pthread_join() is called on the
   error path. This ensures proper thread cleanup when startup fails.

Fixes: 6aecda00b7 ("selftests: ublk: add kernel selftests for ublk")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Ming Lei 2026-01-13 16:58:01 +08:00 • committed by Greg Kroah-Hartman

parent 814e8643b4

commit e2f4eac26f

1 changed files with 4 additions and 2 deletions

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tools/testing/selftests/ublk/kublk.c

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