From 03221702608c60b470fc86a23bdf4bc30e5bd59f Mon Sep 17 00:00:00 2001
From: Brian Pomerantz <bapper@piratehaven.org>
Date: Sun, 1 Apr 2007 23:49:41 -0700
Subject: [PATCH] fix page leak during core dump

When the dump cannot occur most likely because of a full file system and
the page to be written is the zero page, the call to page_cache_release()
is missed.

Signed-off-by: Brian Pomerantz <bapper@mvista.com>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: David Howells <dhowells@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/binfmt_elf_fdpic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'fs/binfmt_elf_fdpic.c')

diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 47d6d49d1fb9..f3ddca4a387b 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1480,8 +1480,8 @@ static int elf_fdpic_dump_segments(struct file *file, struct mm_struct *mm,
 				DUMP_SEEK(file->f_pos + PAGE_SIZE);
 			}
 			else if (page == ZERO_PAGE(addr)) {
-				DUMP_SEEK(file->f_pos + PAGE_SIZE);
 				page_cache_release(page);
+				DUMP_SEEK(file->f_pos + PAGE_SIZE);
 			}
 			else {
 				void *kaddr;
-- 
cgit v1.2.3-59-g8ed1b