]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
tcmu: add helper to check if dev was configured
authorMike Christie <mchristi@redhat.com>
Thu, 9 Mar 2017 08:42:08 +0000 (02:42 -0600)
committerNicholas Bellinger <nab@linux-iscsi.org>
Sat, 18 Mar 2017 23:32:19 +0000 (16:32 -0700)
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>
drivers/target/target_core_user.c

index 4339ab2133b38072025d5d9384337c1d0039649b..892b311e78747db0fe72a03e201b0f345dd3bee6 100644 (file)
@@ -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);