summaryrefslogtreecommitdiffstats
path: root/drivers/iommu
diff options
context:
space:
mode:
authorJoerg Roedel <jroedel@suse.de>2016-04-21 18:21:31 +0200
committerJoerg Roedel <jroedel@suse.de>2016-04-21 18:21:31 +0200
commit9ee35e4c6f42e792974872ee1ec4115718ce05bc (patch)
treecd29daa415992af4e7aab12d74a90f9146a00de2 /drivers/iommu
parent2d8e1f039de842701d35a857a7c5d9d47bc1c639 (diff)
downloadblackbird-obmc-linux-9ee35e4c6f42e792974872ee1ec4115718ce05bc.tar.gz
blackbird-obmc-linux-9ee35e4c6f42e792974872ee1ec4115718ce05bc.zip
iommu/amd: Don't use IS_ERR_VALUE to check integer values
Use the better 'var < 0' check. Fixes: 7aba6cb9ee9d ('iommu/amd: Make call-sites of get_device_id aware of its return value') Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 12f77798a0a4..a2a51c164c7f 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -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];
OpenPOWER on IntegriCloud