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iommu/amd: Fix possible use after free in get_irq_table()
[profile/ivi/kernel-adaptation-intel-automotive.git]
/
drivers
/
iommu
/
amd_iommu.c
diff --git
a/drivers/iommu/amd_iommu.c
b/drivers/iommu/amd_iommu.c
index
312dd4d
..
ff16c5e
100644
(file)
--- a/
drivers/iommu/amd_iommu.c
+++ b/
drivers/iommu/amd_iommu.c
@@
-3865,6
+3865,7
@@
static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic)
table->table = kmem_cache_alloc(amd_iommu_irq_cache, GFP_ATOMIC);
if (!table->table) {
kfree(table);
table->table = kmem_cache_alloc(amd_iommu_irq_cache, GFP_ATOMIC);
if (!table->table) {
kfree(table);
+ table = NULL;
goto out;
}
goto out;
}