From: Ananth N Mavinakayanahalli Date: Sat, 1 Oct 2005 17:14:17 +0000 (-0400) Subject: [PATCH] ppc64: fix up()/down() usage for kprobe_mutex X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2d8ab6ad6edf0e8709da9ad24e3f023503f76cee;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git [PATCH] ppc64: fix up()/down() usage for kprobe_mutex The incorrect kprobe_mutex usage on x86_64 had percolated to ppc64 too. First noticed by Yanmin Zhang. Signed-off-by: Ananth N Mavinakayanahalli Signed-off-by: Linus Torvalds --- diff --git a/arch/ppc64/kernel/kprobes.c b/arch/ppc64/kernel/kprobes.c index 7e80d49c589a..9c6facc24f70 100644 --- a/arch/ppc64/kernel/kprobes.c +++ b/arch/ppc64/kernel/kprobes.c @@ -59,9 +59,9 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) /* insn must be on a special executable page on ppc64 */ if (!ret) { - up(&kprobe_mutex); - p->ainsn.insn = get_insn_slot(); down(&kprobe_mutex); + p->ainsn.insn = get_insn_slot(); + up(&kprobe_mutex); if (!p->ainsn.insn) ret = -ENOMEM; } @@ -90,9 +90,9 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) void __kprobes arch_remove_kprobe(struct kprobe *p) { - up(&kprobe_mutex); - free_insn_slot(p->ainsn.insn); down(&kprobe_mutex); + free_insn_slot(p->ainsn.insn); + up(&kprobe_mutex); } static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)