Fix this sparse warning(s):
arch/x86/kernel/amd_iommu_init.c:901:37: warning: Using plain integer as NULL pointer
arch/x86/kernel/amd_iommu.c:1522:24: warning: Using plain integer as NULL pointer
Signed-off-by: Hannes Eder <hannes@xxxxxxxxxxxxxx>
---
v2: other subject, as suggested by Al Viro
v3: no need to init the variable (thanks to Joe Perches)
arch/x86/kernel/amd_iommu.c | 2 +-
arch/x86/kernel/amd_iommu_init.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 008e522..3f6e1c8 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1519,7 +1519,7 @@ static void *alloc_coherent(struct device *dev, size_t size,
flag |= __GFP_ZERO;
virt_addr = (void *)__get_free_pages(flag, get_order(size));
if (!virt_addr)
- return 0;
+ return NULL;
paddr = virt_to_phys(virt_addr);
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 42c33ce..9bccd0f 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -898,7 +898,7 @@ static int __init init_exclusion_range(struct ivmd_header *m)
/* called for unity map ACPI definition */
static int __init init_unity_map_range(struct ivmd_header *m)
{
- struct unity_map_entry *e = 0;
+ struct unity_map_entry *e;
e = kzalloc(sizeof(*e), GFP_KERNEL);
if (e == NULL)
--
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