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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-16 17:46:22 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-16 17:46:22 +0100 |
| commit | 5a2dd72abdae75ea2960145e0549635ce4e0be96 (patch) | |
| tree | 44dba0119c75679a17215200f92ab23bdde9efc2 /kernel/notifier.c | |
| parent | efdc64f0c792ea744bcc9203f35b908e66d42f41 (diff) | |
| parent | 7cb36b6ccdca03bd87e8faca7fd920643dd1aec7 (diff) | |
Merge branch 'linus' into irq/genirq
Diffstat (limited to 'kernel/notifier.c')
| -rw-r--r-- | kernel/notifier.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/notifier.c b/kernel/notifier.c index 4282c0a40a5..61d5aa5eced 100644 --- a/kernel/notifier.c +++ b/kernel/notifier.c @@ -82,6 +82,14 @@ static int __kprobes notifier_call_chain(struct notifier_block **nl, while (nb && nr_to_call) { next_nb = rcu_dereference(nb->next); + +#ifdef CONFIG_DEBUG_NOTIFIERS + if (unlikely(!func_ptr_is_kernel_text(nb->notifier_call))) { + WARN(1, "Invalid notifier called!"); + nb = next_nb; + continue; + } +#endif ret = nb->notifier_call(nb, val, v); if (nr_calls) |