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* [folded-merged] mm-vmalloc-warn_on-if-mapping-size-is-not-page_size-aligned-fix.patch removed from -mm tree
@ 2025-11-12  0:10 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2025-11-12  0:10 UTC (permalink / raw)
  To: mm-commits, ying.huang, urezki, lkp, dev.jain, dan.carpenter,
	yadong.qi, akpm


The quilt patch titled
     Subject: mm: vmalloc: fix uninitialized value issue
has been removed from the -mm tree.  Its filename was
     mm-vmalloc-warn_on-if-mapping-size-is-not-page_size-aligned-fix.patch

This patch was dropped because it was folded into mm-vmalloc-warn_on-if-mapping-size-is-not-page_size-aligned.patch

------------------------------------------------------
From: Yadong Qi <yadong.qi@linux.alibaba.com>
Subject: mm: vmalloc: fix uninitialized value issue
Date: Tue, 14 Oct 2025 18:23:37 +0800

Issues reported by LKP:
  mm/vmalloc.c:191 vmap_pmd_range() error: uninitialized symbol 'err'.
  mm/vmalloc.c:243 vmap_pud_range() error: uninitialized symbol 'err'.
  mm/vmalloc.c:295 vmap_p4d_range() error: uninitialized symbol 'err'.

Fix by initailizing err with 0.

Link: https://lkml.kernel.org/r/20251014102337.5453-1-yadong.qi@linux.alibaba.com
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202510110050.VG9YKMRK-lkp@intel.com/
Signed-off-by: Yadong Qi <yadong.qi@linux.alibaba.com>
Cc: Huang Ying <ying.huang@linux.alibaba.com>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/vmalloc.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/mm/vmalloc.c~mm-vmalloc-warn_on-if-mapping-size-is-not-page_size-aligned-fix
+++ a/mm/vmalloc.c
@@ -170,7 +170,7 @@ static int vmap_pmd_range(pud_t *pud, un
 {
 	pmd_t *pmd;
 	unsigned long next;
-	int err;
+	int err = 0;
 
 	pmd = pmd_alloc_track(&init_mm, pud, addr, mask);
 	if (!pmd)
@@ -222,7 +222,7 @@ static int vmap_pud_range(p4d_t *p4d, un
 {
 	pud_t *pud;
 	unsigned long next;
-	int err;
+	int err = 0;
 
 	pud = pud_alloc_track(&init_mm, p4d, addr, mask);
 	if (!pud)
@@ -274,7 +274,7 @@ static int vmap_p4d_range(pgd_t *pgd, un
 {
 	p4d_t *p4d;
 	unsigned long next;
-	int err;
+	int err = 0;
 
 	p4d = p4d_alloc_track(&init_mm, pgd, addr, mask);
 	if (!p4d)
_

Patches currently in -mm which might be from yadong.qi@linux.alibaba.com are

mm-vmalloc-warn_on-if-mapping-size-is-not-page_size-aligned.patch


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2025-11-12  0:10 [folded-merged] mm-vmalloc-warn_on-if-mapping-size-is-not-page_size-aligned-fix.patch removed from -mm tree Andrew Morton

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