diff options
| author | Ingo Molnar <mingo@elte.hu> | 2012-03-13 16:26:52 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-13 16:26:52 +0100 |
| commit | 47258cf3c4aa5d56e678bafe0dd0d03ddd980b88 (patch) | |
| tree | 4856f0fb1185ba97f320a7ed6fb63bf136708a42 /kernel/kprobes.c | |
| parent | c308b56b5398779cd3da0f62ab26b0453494c3d4 (diff) | |
| parent | fde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff) | |
Merge tag 'v3.3-rc7' into sched/core
Merge reason: merge back final fixes, prepare for the merge window.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/kprobes.c')
| -rw-r--r-- | kernel/kprobes.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 9788c0ec6f43..c62b8546cc90 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1334,8 +1334,10 @@ int __kprobes register_kprobe(struct kprobe *p) if (!kernel_text_address((unsigned long) p->addr) || in_kprobes_functions((unsigned long) p->addr) || ftrace_text_reserved(p->addr, p->addr) || - jump_label_text_reserved(p->addr, p->addr)) - goto fail_with_jump_label; + jump_label_text_reserved(p->addr, p->addr)) { + ret = -EINVAL; + goto cannot_probe; + } /* User can pass only KPROBE_FLAG_DISABLED to register_kprobe */ p->flags &= KPROBE_FLAG_DISABLED; @@ -1352,7 +1354,7 @@ int __kprobes register_kprobe(struct kprobe *p) * its code to prohibit unexpected unloading. */ if (unlikely(!try_module_get(probed_mod))) - goto fail_with_jump_label; + goto cannot_probe; /* * If the module freed .init.text, we couldn't insert @@ -1361,7 +1363,7 @@ int __kprobes register_kprobe(struct kprobe *p) if (within_module_init((unsigned long)p->addr, probed_mod) && probed_mod->state != MODULE_STATE_COMING) { module_put(probed_mod); - goto fail_with_jump_label; + goto cannot_probe; } /* ret will be updated by following code */ } @@ -1409,7 +1411,7 @@ out: return ret; -fail_with_jump_label: +cannot_probe: preempt_enable(); jump_label_unlock(); return ret; |