| Date | Wed, 02 Nov 2011 15:15:03 -0700 | From | Greg KH <> | Subject | [097/107] kcore: fix test for end of list |
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2.6.32-longterm review patch. If anyone has any objections, please let us know.
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From: Dan Carpenter <error27@gmail.com>
commit 4fd2c20d964a8fb9861045f1022475c9d200d684 upstream.
"m" is never NULL here. We need a different test for the end of list condition.
Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Leonardo Chiquitto <leonardo.lists@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- fs/proc/kcore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -490,7 +490,7 @@ read_kcore(struct file *file, char __use } read_unlock(&kclist_lock); - if (m == NULL) { + if (&m->list == &kclist_head) { if (clear_user(buffer, tsz)) return -EFAULT; } else if (is_vmalloc_or_module_addr((void *)start)) {
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