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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-21 18:46:08 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-21 18:46:08 +0300
commitcd6a22310ec2a70092e136d0cd65bb77c1502521 (patch)
treec01fa788b27b240c7b426d7f329d92bd58c7b8f5 /fs/userfaultfd.c
parent1e12a521d6917004f8b95a3b5864b92edc2694c8 (diff)
parent177c459b08a34dcf004aa9a4c1f1d8be682ff3af (diff)
downloadlinux-cd6a22310ec2a70092e136d0cd65bb77c1502521.tar.xz
Merge USB 4.20-rc8 mergepoint into usb-next
We need the USB changes in here for additional patches to be able to apply cleanly. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/userfaultfd.c')
-rw-r--r--fs/userfaultfd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index cd58939dc977..7a85e609fc27 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -1566,7 +1566,6 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
cond_resched();
BUG_ON(!vma_can_userfault(vma));
- WARN_ON(!(vma->vm_flags & VM_MAYWRITE));
/*
* Nothing to do: this vma is already registered into this
@@ -1575,6 +1574,8 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
if (!vma->vm_userfaultfd_ctx.ctx)
goto skip;
+ WARN_ON(!(vma->vm_flags & VM_MAYWRITE));
+
if (vma->vm_start > start)
start = vma->vm_start;
vma_end = min(end, vma->vm_end);