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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-05 08:04:07 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-05 08:04:07 +0200
commitfbc1ec2efe665c07c8c71f9f19edb018f7984107 (patch)
treee7df9dac12c640a83ce8859300e061f1f8913ecd /kernel/events/uprobes.c
parent02baff325462cc7e81241b21959c5e62e7ca575e (diff)
parentc6935931c1894ff857616ff8549b61236a19148f (diff)
downloadlinux-fbc1ec2efe665c07c8c71f9f19edb018f7984107.tar.gz
Merge 4.8-rc5 into char-misc-next
We want the fixes in here for merging and testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/events/uprobes.c')
-rw-r--r--kernel/events/uprobes.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index b7a525ab2083..8c50276b60d1 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -172,8 +172,10 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr,
mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);
err = -EAGAIN;
ptep = page_check_address(page, mm, addr, &ptl, 0);
- if (!ptep)
+ if (!ptep) {
+ mem_cgroup_cancel_charge(kpage, memcg, false);
goto unlock;
+ }
get_page(kpage);
page_add_new_anon_rmap(kpage, vma, addr, false);
@@ -200,7 +202,6 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr,
err = 0;
unlock:
- mem_cgroup_cancel_charge(kpage, memcg, false);
mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
unlock_page(page);
return err;