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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-28 10:09:29 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-28 10:09:29 +0300
commit86292b33d4b79ee03e2f43ea0381ef85f077c760 (patch)
treeb69a6ffd8ec5ac01599d351205a96804b9c415da /drivers/iommu
parent1ac884f173d4842216f6a24c03c9833e3ce6e982 (diff)
parent3e761a42e19c63b624ebac94d918d8a15e07e2a7 (diff)
downloadlinux-86292b33d4b79ee03e2f43ea0381ef85f077c760.tar.xz
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: - a few MM remainders - misc things - autofs updates - signals - affs updates - ipc - nilfs2 - spelling.txt updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (78 commits) mm, x86: fix HIGHMEM64 && PARAVIRT build config for native_pud_clear() mm: add arch-independent testcases for RODATA hfs: atomically read inode size mm: clarify mm_struct.mm_{users,count} documentation mm: use mmget_not_zero() helper mm: add new mmget() helper mm: add new mmgrab() helper checkpatch: warn when formats use %Z and suggest %z lib/vsprintf.c: remove %Z support scripts/spelling.txt: add some typo-words scripts/spelling.txt: add "followings" pattern and fix typo instances scripts/spelling.txt: add "therfore" pattern and fix typo instances scripts/spelling.txt: add "overwriten" pattern and fix typo instances scripts/spelling.txt: add "overwritting" pattern and fix typo instances scripts/spelling.txt: add "deintialize(d)" pattern and fix typo instances scripts/spelling.txt: add "disassocation" pattern and fix typo instances scripts/spelling.txt: add "omited" pattern and fix typo instances scripts/spelling.txt: add "explictely" pattern and fix typo instances scripts/spelling.txt: add "applys" pattern and fix typo instances scripts/spelling.txt: add "configuartion" pattern and fix typo instances ...
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/intel-svm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index cb72e0011310..51f2b228723f 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -579,7 +579,7 @@ static irqreturn_t prq_event_thread(int irq, void *d)
if (!svm->mm)
goto bad_req;
/* If the mm is already defunct, don't handle faults. */
- if (!atomic_inc_not_zero(&svm->mm->mm_users))
+ if (!mmget_not_zero(svm->mm))
goto bad_req;
down_read(&svm->mm->mmap_sem);
vma = find_extend_vma(svm->mm, address);