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Commit 31d14b6e authored by Alexander Chiang's avatar Alexander Chiang Committed by Roland Dreier
Browse files

IB/ucm: Use stack variable 'base' in ib_ucm_add_one 



This change is not useful by itself, but sets us up for a future
change that allows us to support more than IB_UCM_MAX_DEVICES.

Signed-off-by: default avatarAlex Chiang <achiang@hp.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent dd08f702

drivers/infiniband/core/ucm.c

+3 −1
Original line number Diff line number Diff line
@@ -1240,6 +1240,7 @@ static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL); 
static void ib_ucm_add_one(struct ib_device *device)

{

	int devnum;

	dev_t base;

	struct ib_ucm_device *ucm_dev;



	if (!device->alloc_ucontext ||
@@ -1257,12 +1258,13 @@ static void ib_ucm_add_one(struct ib_device *device) 
		goto err;



	ucm_dev->devnum = devnum;

	base = devnum + IB_UCM_BASE_DEV;

	set_bit(devnum, dev_map);



	cdev_init(&ucm_dev->cdev, &ucm_fops);

	ucm_dev->cdev.owner = THIS_MODULE;

	kobject_set_name(&ucm_dev->cdev.kobj, "ucm%d", ucm_dev->devnum);

	if (cdev_add(&ucm_dev->cdev, IB_UCM_BASE_DEV + devnum, 1))

	if (cdev_add(&ucm_dev->cdev, base, 1))

		goto err;



	ucm_dev->dev.class = &cm_class;