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[ Upstream commit 9814b55cde0588b6d9bc496cee43f87316cbc6f1 ] If tcmu_handle_completions() finds an invalid cmd_id while looping over cmd responses from userspace it sets TCMU_DEV_BIT_BROKEN and breaks the loop. This means that it does further handling for the tcmu device. Skip that handling by replacing 'break' with 'return'. Additionally change tcmu_handle_completions() from unsigned int to bool, since the value used in return already is bool. Link: https://lore.kernel.org/r/20210423150123.24468-1-bostroesser@gmail.com Signed-off-by: Bodo Stroesser <bostroesser@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>