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Message-Id: <1301320607-7259-6-git-send-email-namhyung@gmail.com> Date: Mon, 28 Mar 2011 22:56:46 +0900 From: Namhyung Kim <namhyung@...il.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Paul Mundt <lethal@...ux-sh.org>, David Howells <dhowells@...hat.com>, Greg Ungerer <gerg@...pgear.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: [PATCH 5/6] nommu: fix a potential memory leak in do_mmap_private() If f_op->read() fails and sysctl_nr_trim_pages > 1, there could be a memory leak between @region->vm_end and @region->vm_top. Signed-off-by: Namhyung Kim <namhyung@...il.com> --- mm/nommu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/mm/nommu.c b/mm/nommu.c index 33f5d23c6d44..662fd46449a6 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -1241,7 +1241,7 @@ static int do_mmap_private(struct vm_area_struct *vma, return 0; error_free: - free_page_series(region->vm_start, region->vm_end); + free_page_series(region->vm_start, region->vm_top); region->vm_start = vma->vm_start = 0; region->vm_end = vma->vm_end = 0; region->vm_top = 0; -- 1.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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