+ mm-remove-the-vma-linked-list-fix.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm/mmap: fix error return code in do_mas_align_munmap()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-remove-the-vma-linked-list-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-the-vma-linked-list-fix.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Yang Yingliang <yangyingliang@huawei.com>
Subject: mm/mmap: fix error return code in do_mas_align_munmap()
Date: Thu, 23 Jun 2022 21:42:37 +0800

Return error code when munmap_sidetree() fails in do_mas_align_munmap().

Link: https://lkml.kernel.org/r/20220623134237.2127440-1-yangyingliang@huawei.com
Fixes: 81f5504dfb36 ("mm/mmap: change do_mas_align_munmap() to avoid preallocations for sidetree")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mmap.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/mm/mmap.c~mm-remove-the-vma-linked-list-fix
+++ a/mm/mmap.c
@@ -2469,7 +2469,8 @@ do_mas_align_munmap(struct ma_state *mas
 
 			mas_set(mas, end);
 			split = mas_prev(mas, 0);
-			if (munmap_sidetree(split, &mas_detach))
+			error = munmap_sidetree(split, &mas_detach);
+			if (error)
 				goto munmap_sidetree_failed;
 
 			count++;
@@ -2477,7 +2478,8 @@ do_mas_align_munmap(struct ma_state *mas
 				vma = split;
 			break;
 		}
-		if (munmap_sidetree(next, &mas_detach))
+		error = munmap_sidetree(next, &mas_detach);
+		if (error)
 			goto munmap_sidetree_failed;
 
 		count++;
_

Patches currently in -mm which might be from yangyingliang@huawei.com are

mm-remove-the-vma-linked-list-fix.patch