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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 00:51:06 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 00:51:06 +0100 |
| commit | 0811a433c61e85f895018239c4466a36311cd5de (patch) | |
| tree | 276933e518e5525d24ae37b02df2db9909679260 /arch/powerpc/kernel/kprobes.c | |
| parent | c299030765292434b73572f9bcfe84951ff06614 (diff) | |
| parent | 3d14bdad40315b54470cb7812293d14c8af2bf7d (diff) | |
Merge branch 'linus' into core/iommu
Diffstat (limited to 'arch/powerpc/kernel/kprobes.c')
| -rw-r--r-- | arch/powerpc/kernel/kprobes.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index de79915452c..c9329786073 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -96,9 +96,10 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) void __kprobes arch_remove_kprobe(struct kprobe *p) { - mutex_lock(&kprobe_mutex); - free_insn_slot(p->ainsn.insn, 0); - mutex_unlock(&kprobe_mutex); + if (p->ainsn.insn) { + free_insn_slot(p->ainsn.insn, 0); + p->ainsn.insn = NULL; + } } static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) @@ -316,7 +317,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p, /* * It is possible to have multiple instances associated with a given * task either because an multiple functions in the call path - * have a return probe installed on them, and/or more then one return + * have a return probe installed on them, and/or more than one return * return probe was registered for a target function. * * We can handle this because: |