diff options
author | Sasha Levin <sasha.levin@oracle.com> | 2014-07-31 09:38:10 +1000 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2014-08-06 16:44:54 +1000 |
commit | 1240e6c624efe094afee030325e0d9614b3960b4 (patch) | |
tree | 4490b7914423999a379ef760770cc3b459cf0107 | |
parent | 3b0b60e41a1baa4416e8671b70fc0c4714cb1141 (diff) |
mm: remap_file_pages: initialize populate before usage
'populate' wasn't initialized before being used in error paths,
causing panics when mm_populate() would get called with invalid
values.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r-- | mm/mmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index d277a2aaeec7..bd72ae423838 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2614,7 +2614,7 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size, struct mm_struct *mm = current->mm; struct vm_area_struct *vma; - unsigned long populate; + unsigned long populate = 0; unsigned long ret = -EINVAL; pr_warn_once("%s (%d) uses deprecated remap_file_pages() syscall. " |