diff options
Diffstat (limited to 'drivers/nvme/target/core.c')
| -rw-r--r-- | drivers/nvme/target/core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 6bbe4df0166ca5..8860a3eb71ec89 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -1541,6 +1541,13 @@ static struct nvmet_subsys *nvmet_find_get_subsys(struct nvmet_port *port, } down_read(&nvmet_config_sem); + if (!strncmp(nvmet_disc_subsys->subsysnqn, subsysnqn, + NVMF_NQN_SIZE)) { + if (kref_get_unless_zero(&nvmet_disc_subsys->ref)) { + up_read(&nvmet_config_sem); + return nvmet_disc_subsys; + } + } list_for_each_entry(p, &port->subsystems, entry) { if (!strncmp(p->subsys->subsysnqn, subsysnqn, NVMF_NQN_SIZE)) { |