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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-03-13 16:34:48 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-03-13 16:35:16 +0100 |
| commit | df8d291f28aa1e8437c8f7816328a6516379c71b (patch) | |
| tree | 26ae585aa259584ddd0d9088933547c065c37086 /kernel/kprobes.c | |
| parent | 5234ffb9f74cfa8993d174782bc861dd9b7b5bfb (diff) | |
| parent | fde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff) | |
| download | linux-df8d291f28aa1e8437c8f7816328a6516379c71b.tar.gz linux-df8d291f28aa1e8437c8f7816328a6516379c71b.tar.bz2 linux-df8d291f28aa1e8437c8f7816328a6516379c71b.zip | |
Merge branch 'linus' into irq/core
Reason: Get upstream fixes integrated before further modifications.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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; |