On Dec 13, 2024 / 15:36, Ming Lei wrote: > When io_uring is disabled, ublk_ctrl_init() will return NULL, so we > have to check the result. > > Fixes segment fault reported from Yi. Ming, let me confirm, the segmentation fault was reported in the blktests GitHub PR 153 [1]. AFAIU, the segmentation fault cause is in liburing, not in blktests src/miniublk.c. So I guess that this patch is not needed. Do you have same view? [1] https://github.com/osandov/blktests/pull/153