]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/commit - mm/migrate.c
mm: Don't touch uninitialized variable in do_pages_stat_array()
authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Tue, 16 Dec 2008 07:06:43 +0000 (16:06 +0900)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 16 Dec 2008 16:19:23 +0000 (08:19 -0800)
commitc095adbc211f9f4e990eac7d6cb440de35e4f05f
treeb2da614d48d715816b8ee7172918fa9d2f089a24
parenta3dd15444baa9c7522c8457ab564c41219dfb44c
mm: Don't touch uninitialized variable in do_pages_stat_array()

Commit 80bba1290ab5122c60cdb73332b26d288dc8aedd removed one necessary
variable initialization.  As a result following warning happened:

    CC      mm/migrate.o
  mm/migrate.c: In function 'sys_move_pages':
  mm/migrate.c:1001: warning: 'err' may be used uninitialized in this function

More unfortunately, if find_vma() failed, kernel read uninitialized
memory.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
CC: Brice Goglin <Brice.Goglin@inria.fr>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/migrate.c