+ mm-mmap-remove-unnecessary-local-variable.patch added to -mm tree

+ mm-mmap-remove-unnecessary-local-variable.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm/mmap.c: remove unnecessary local variable
has been added to the -mm tree.  Its filename is
     mm-mmap-remove-unnecessary-local-variable.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-mmap-remove-unnecessary-local-variable.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-mmap-remove-unnecessary-local-variable.patch

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------------------------------------------------------
From: Adrian Huang <ahuang12@lenovo.com>
Subject: mm/mmap.c: remove unnecessary local variable

The local variable 'retval' is assigned just for once in __do_sys_brk(),
and the function returns the value of the local variable right after the
assignment.  Remove unnecessary assignment and local variable declaration.

Link: https://lkml.kernel.org/r/20201222103249.30683-1-adrianhuang0701@gmail.com
Signed-off-by: Adrian Huang <ahuang12@lenovo.com>
Acked-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mmap.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/mm/mmap.c~mm-mmap-remove-unnecessary-local-variable
+++ a/mm/mmap.c
@@ -189,7 +189,6 @@ static int do_brk_flags(unsigned long ad
 		struct list_head *uf);
 SYSCALL_DEFINE1(brk, unsigned long, brk)
 {
-	unsigned long retval;
 	unsigned long newbrk, oldbrk, origbrk;
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *next;
@@ -281,9 +280,8 @@ success:
 	return brk;
 
 out:
-	retval = origbrk;
 	mmap_write_unlock(mm);
-	return retval;
+	return origbrk;
 }
 
 static inline unsigned long vma_compute_gap(struct vm_area_struct *vma)
_

Patches currently in -mm which might be from ahuang12@lenovo.com are

mm-mmap-remove-unnecessary-local-variable.patch