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kcore: fix test for end of list

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"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>
This commit is contained in:
Dan Carpenter 2010-03-23 13:35:42 -07:00 committed by Linus Torvalds
parent c6b6ef8bb0
commit 4fd2c20d96
1 changed files with 1 additions and 1 deletions
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2
fs/proc/kcore.c
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@ -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)) {