diff options
| author | Len Brown <len.brown@intel.com> | 2009-01-09 03:39:43 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-01-09 03:39:43 -0500 |
| commit | b2576e1d4408e134e2188c967b1f28af39cd79d4 (patch) | |
| tree | 004f3c82faab760f304ce031d6d2f572e7746a50 /arch/ia64/kernel/kprobes.c | |
| parent | 3cc8a5f4ba91f67bbdb81a43a99281a26aab8d77 (diff) | |
| parent | 2150edc6c5cf00f7adb54538b9ea2a3e9cedca3f (diff) | |
Merge branch 'linus' into release
Diffstat (limited to 'arch/ia64/kernel/kprobes.c')
| -rw-r--r-- | arch/ia64/kernel/kprobes.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index f07688da947..f90be51b112 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -434,7 +434,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) /* * 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: @@ -670,9 +670,11 @@ 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, p->ainsn.inst_flag & INST_FLAG_BOOSTABLE); - mutex_unlock(&kprobe_mutex); + if (p->ainsn.insn) { + free_insn_slot(p->ainsn.insn, + p->ainsn.inst_flag & INST_FLAG_BOOSTABLE); + p->ainsn.insn = NULL; + } } /* * We are resuming execution after a single step fault, so the pt_regs |