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Commit 9ee35e4c authored by Joerg Roedel's avatar Joerg Roedel
Browse files

iommu/amd: Don't use IS_ERR_VALUE to check integer values 



Use the better 'var < 0' check.

Fixes: 7aba6cb9 ('iommu/amd: Make call-sites of get_device_id aware of its return value')
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 2d8e1f03

drivers/iommu/amd_iommu.c

+10 −10
Original line number Diff line number Diff line
@@ -354,7 +354,7 @@ static void init_unity_mappings_for_device(struct device *dev, 
	int devid;



	devid = get_device_id(dev);

	if (IS_ERR_VALUE(devid))

	if (devid < 0)

		return;



	list_for_each_entry(e, &amd_iommu_unity_map, list) {
@@ -376,7 +376,7 @@ static bool check_device(struct device *dev) 
		return false;



	devid = get_device_id(dev);

	if (IS_ERR_VALUE(devid))

	if (devid < 0)

		return false;



	/* Out of our scope? */
@@ -419,7 +419,7 @@ static int iommu_init_device(struct device *dev) 
		return 0;



	devid = get_device_id(dev);

	if (IS_ERR_VALUE(devid))

	if (devid < 0)

		return devid;



	dev_data = find_dev_data(devid);
@@ -447,7 +447,7 @@ static void iommu_ignore_device(struct device *dev) 
	int devid;



	devid = get_device_id(dev);

	if (IS_ERR_VALUE(devid))

	if (devid < 0)

		return;



	alias = amd_iommu_alias_table[devid];
@@ -465,7 +465,7 @@ static void iommu_uninit_device(struct device *dev) 
	struct iommu_dev_data *dev_data;



	devid = get_device_id(dev);

	if (IS_ERR_VALUE(devid))

	if (devid < 0)

		return;



	dev_data = search_dev_data(devid);
@@ -2414,7 +2414,7 @@ static int amd_iommu_add_device(struct device *dev) 
		return 0;



	devid = get_device_id(dev);

	if (IS_ERR_VALUE(devid))

	if (devid < 0)

		return devid;



	iommu = amd_iommu_rlookup_table[devid];
@@ -2460,7 +2460,7 @@ static void amd_iommu_remove_device(struct device *dev) 
		return;



	devid = get_device_id(dev);

	if (IS_ERR_VALUE(devid))

	if (devid < 0)

		return;



	iommu = amd_iommu_rlookup_table[devid];
@@ -3158,7 +3158,7 @@ static void amd_iommu_detach_device(struct iommu_domain *dom, 
		return;



	devid = get_device_id(dev);

	if (IS_ERR_VALUE(devid))

	if (devid < 0)

		return;



	if (dev_data->domain != NULL)
@@ -3280,7 +3280,7 @@ static void amd_iommu_get_dm_regions(struct device *dev, 
	int devid;



	devid = get_device_id(dev);

	if (IS_ERR_VALUE(devid))

	if (devid < 0)

		return;



	list_for_each_entry(entry, &amd_iommu_unity_map, list) {
@@ -3983,7 +3983,7 @@ static struct irq_domain *get_irq_domain(struct irq_alloc_info *info) 
	case X86_IRQ_ALLOC_TYPE_MSI:

	case X86_IRQ_ALLOC_TYPE_MSIX:

		devid = get_device_id(&info->msi_dev->dev);

		if (IS_ERR_VALUE(devid))

		if (devid < 0)

			return NULL;



		iommu = amd_iommu_rlookup_table[devid];