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| author | Dan Carpenter <error27@gmail.com> | 2010-03-23 13:35:42 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-07 12:32:44 -0800 |
| commit | 6efcfa8880fb9ca080c7c50feb71dd0bf04ed108 (patch) | |
| tree | 54a7a0ffab4a84ff8c12f1312f361ceed34dd126 | |
| parent | 35b6863ce555ce59e36a2c2bf7c8a8e9a9da577b (diff) | |
| download | lwn-6efcfa8880fb9ca080c7c50feb71dd0bf04ed108.tar.gz lwn-6efcfa8880fb9ca080c7c50feb71dd0bf04ed108.zip | |
kcore: fix test for end of list
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>
| -rw-r--r-- | fs/proc/kcore.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index a44a7897fd4d..b442dac8f5f9 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -490,7 +490,7 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) } 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)) { |