From 9ee35e4c6f42e792974872ee1ec4115718ce05bc Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 21 Apr 2016 18:21:31 +0200 Subject: 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 --- drivers/iommu/amd_iommu.c | 20 ++++++++++---------- 1 file 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]; -- cgit v1.2.3