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mm/mmap: Fix VM_LOCKED check in do_vmi_align_munmap()

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6.1 backport of the patch [1] uses 'next' vma instead of 'split' vma.
Fix the mistake.

[1] commit 606c812eb1 ("mm/mmap: Fix error path in do_vmi_align_munmap()")

Fixes: a149174ff8 ("mm/mmap: Fix error path in do_vmi_align_munmap()")
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Suren Baghdasaryan
2023-07-10 17:46:32 -07:00
committed by Greg Kroah-Hartman
parent b91748bdbf
commit e0d7a96b27
1 changed files with 1 additions and 1 deletions
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2
mm/mmap.c
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@@ -2484,7 +2484,7 @@ do_mas_align_munmap(struct ma_state *mas, struct vm_area_struct *vma,
error = mas_store_gfp(&mas_detach, split, GFP_KERNEL);
if (error)
goto munmap_gather_failed;
if (next->vm_flags & VM_LOCKED)
if (split->vm_flags & VM_LOCKED)
locked_vm += vma_pages(split);
count++;