When the initial discovery fails the subsystem hasn't been setup yet
in nvme_mpath_stop, and we can't dereference ctrl->subsys.
Fixes:
0d0b660f ("nvme: add ANA support")
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
inline bool nvme_ctrl_use_ana(struct nvme_ctrl *ctrl)
{
- return multipath && (ctrl->subsys->cmic & (1 << 3));
+ return multipath && ctrl->subsys && (ctrl->subsys->cmic & (1 << 3));
}
/*