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Commit ddbd6883 authored by Alexander Chiang's avatar Alexander Chiang Committed by Roland Dreier
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IB/uverbs: use stack variable 'base' in ib_uverbs_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_UVERBS_MAX_DEVICES in a system.

Signed-off-by: default avatarAlex Chiang <achiang@hp.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 38707980

drivers/infiniband/core/uverbs_main.c

+3 −1
Original line number Diff line number Diff line
@@ -731,6 +731,7 @@ static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL); 
static void ib_uverbs_add_one(struct ib_device *device)

{

	int devnum;

	dev_t base;

	struct ib_uverbs_device *uverbs_dev;



	if (!device->alloc_ucontext)
@@ -750,6 +751,7 @@ static void ib_uverbs_add_one(struct ib_device *device) 
		goto err;

	}

	uverbs_dev->devnum = devnum;

	base = devnum + IB_UVERBS_BASE_DEV;

	set_bit(devnum, dev_map);

	spin_unlock(&map_lock);
@@ -760,7 +762,7 @@ static void ib_uverbs_add_one(struct ib_device *device) 
	uverbs_dev->cdev.owner = THIS_MODULE;

	uverbs_dev->cdev.ops = device->mmap ? &uverbs_mmap_fops : &uverbs_fops;

	kobject_set_name(&uverbs_dev->cdev.kobj, "uverbs%d", uverbs_dev->devnum);

	if (cdev_add(&uverbs_dev->cdev, IB_UVERBS_BASE_DEV + devnum, 1))

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

		goto err_cdev;



	uverbs_dev->dev = device_create(uverbs_class, device->dma_device,