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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-04-30 09:00:33 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-04-30 09:00:33 -0300 |
commit | aad797c89903d570c17f6affc770eb98afd74e62 (patch) | |
tree | bddefd4242b0efba1068b5260f831c2697ba4037 /drivers/iommu/amd_iommu.c | |
parent | c95789ecd5a979fd718ae09763df3fa50dd97a91 (diff) | |
parent | c1be5a5b1b355d40e6cf79cc979eb66dafa24ad1 (diff) |
Merge tag 'v3.9' into v4l_for_linus
Linux 3.9
* tag 'v3.9': (1099 commits)
Linux 3.9
vm: add no-mmu vm_iomap_memory() stub
efivars: only check for duplicates on the registered list
TTY: fix atime/mtime regression
aio: fix possible invalid memory access when DEBUG is enabled
parisc: use spin_lock_irqsave/spin_unlock_irqrestore for PTE updates
parisc: disable -mlong-calls compiler option for kernel modules
parisc: uaccess: fix compiler warnings caused by __put_user casting
parisc: Change kunmap macro to static inline function
parisc: Provide __ucmpdi2 to resolve undefined references in 32 bit builds.
sparc64: Fix missing put_cpu_var() in tlb_batch_add_one() when not batching.
Revert "gpio: pxa: set initcall level to module init"
efi: Check EFI revision in setup_efi_vars
x86, efi: Fix a build warning
Revert "MIPS: page.h: Provide more readable definition for PAGE_MASK."
kernel/hz.bc: ignore.
Linux 3.9-rc8
events: Protect access via task_subsys_state_check()
net: fix incorrect credentials passing
x86, microcode: Verify the family before dispatching microcode patching
...
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
-rw-r--r-- | drivers/iommu/amd_iommu.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 98f555dafb5..b287ca33833 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2466,18 +2466,16 @@ static int device_change_notifier(struct notifier_block *nb, /* allocate a protection domain if a device is added */ dma_domain = find_protection_domain(devid); - if (dma_domain) - goto out; - dma_domain = dma_ops_domain_alloc(); - if (!dma_domain) - goto out; - dma_domain->target_dev = devid; - - spin_lock_irqsave(&iommu_pd_list_lock, flags); - list_add_tail(&dma_domain->list, &iommu_pd_list); - spin_unlock_irqrestore(&iommu_pd_list_lock, flags); - - dev_data = get_dev_data(dev); + if (!dma_domain) { + dma_domain = dma_ops_domain_alloc(); + if (!dma_domain) + goto out; + dma_domain->target_dev = devid; + + spin_lock_irqsave(&iommu_pd_list_lock, flags); + list_add_tail(&dma_domain->list, &iommu_pd_list); + spin_unlock_irqrestore(&iommu_pd_list_lock, flags); + } dev->archdata.dma_ops = &amd_iommu_dma_ops; |