* [PATCH] include/linux/mm: Initialize an int variable to prevent returning garbage value
@ 2022-05-24 17:27 ` Gautam Menghani
0 siblings, 0 replies; 2+ messages in thread
From: Gautam Menghani @ 2022-05-24 17:27 UTC (permalink / raw)
To: akpm; +Cc: Gautam Menghani, linux-mm, linux-kernel, linux-kernel-mentees, skhan
Initialize the variable 'ret' to prevent garbage value from being
returned. This Fixes the clang scan warning: Undefined or garbage value
returned to caller [core.uninitialized.UndefReturn]
return ret;
Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com>
---
include/linux/mm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 9f44254af8ce..f437bd81d6a4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1700,7 +1700,7 @@ static inline int arch_make_page_accessible(struct page *page)
#ifndef HAVE_ARCH_MAKE_FOLIO_ACCESSIBLE
static inline int arch_make_folio_accessible(struct folio *folio)
{
- int ret;
+ int ret = 0;
long i, nr = folio_nr_pages(folio);
for (i = 0; i < nr; i++) {
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] include/linux/mm: Initialize an int variable to prevent returning garbage value
@ 2022-05-24 17:27 ` Gautam Menghani
0 siblings, 0 replies; 2+ messages in thread
From: Gautam Menghani @ 2022-05-24 17:27 UTC (permalink / raw)
To: akpm; +Cc: linux-mm, linux-kernel-mentees, linux-kernel, Gautam Menghani
Initialize the variable 'ret' to prevent garbage value from being
returned. This Fixes the clang scan warning: Undefined or garbage value
returned to caller [core.uninitialized.UndefReturn]
return ret;
Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com>
---
include/linux/mm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 9f44254af8ce..f437bd81d6a4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1700,7 +1700,7 @@ static inline int arch_make_page_accessible(struct page *page)
#ifndef HAVE_ARCH_MAKE_FOLIO_ACCESSIBLE
static inline int arch_make_folio_accessible(struct folio *folio)
{
- int ret;
+ int ret = 0;
long i, nr = folio_nr_pages(folio);
for (i = 0; i < nr; i++) {
--
2.25.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
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