From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Thu, 4 Feb 2021 18:59:30 +0000 (-0500)
Subject: mm/mmap: Set next to NULL in mmap_region()
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=846988a01bc6341b137688e1374d0f622df9e9ef;p=users%2Fjedix%2Flinux-maple.git

mm/mmap: Set next to NULL in mmap_region()

When following cannot_expand goto, next would not be set

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---

diff --git a/mm/mmap.c b/mm/mmap.c
index 43ebbc70fc67..b31564f15103 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2528,7 +2528,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
 {
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *vma = NULL;
-	struct vm_area_struct *prev, *next;
+	struct vm_area_struct *prev, *next = NULL;
 	pgoff_t pglen = len >> PAGE_SHIFT;
 	unsigned long charged = 0;
 	unsigned long end = addr + len;