diff options
| author |   Mike Christie <mchristi@redhat.com> | 2017-03-09 02:42:08 -0600 |
|---|---|---|
| committer |   Nicholas Bellinger <nab@linux-iscsi.org> | 2017-03-18 16:32:19 -0700 |
| commit | 972c7f167974fa41ea8a2eed4b857cc59f59c42c (patch) | |
| tree | a14839ba48ed742586f518643aa75f87dd41bb94 /drivers/target/target_core_user.c | |
| parent | target: fix race during implicit transition work flushes (diff) | |
| download | linux-dev-972c7f167974fa41ea8a2eed4b857cc59f59c42c.tar.xz linux-dev-972c7f167974fa41ea8a2eed4b857cc59f59c42c.zip | |
tcmu: add helper to check if dev was configured
This adds a helper to check if the dev was configured. It
will be used in the next patch to prevent updates to some
config settings after the device has been setup.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/target/target_core_user.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 4339ab2133b3..892b311e7874 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -998,6 +998,11 @@ static void tcmu_dev_call_rcu(struct rcu_head *p) kfree(udev); } +static bool tcmu_dev_configured(struct tcmu_dev *udev) +{ + return udev->uio_info.uio_dev ? true : false; +} + static void tcmu_free_device(struct se_device *dev) { struct tcmu_dev *udev = TCMU_DEV(dev); @@ -1019,8 +1024,7 @@ static void tcmu_free_device(struct se_device *dev) spin_unlock_irq(&udev->commands_lock); WARN_ON(!all_expired); - /* Device was configured */ - if (udev->uio_info.uio_dev) { + if (tcmu_dev_configured(udev)) { tcmu_netlink_event(TCMU_CMD_REMOVED_DEVICE, udev->uio_info.name, udev->uio_info.uio_dev->minor); |