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Commit 22047b85 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Ralf Baechle
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kprobes/mips: Fix to check double free of insn slot 



Fix to check double free of insn_slot at arch_remove_kprobe
as other arches do.

Signed-off-by: default avatarMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: Maneesh Soni <manesoni@cisco.com>
Cc: Victor Kamensky <kamensky@cisco.com>
Cc: linux-mips@linux-mips.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: yrl.pp-manager.tt@hitachi.com
Cc: systemtap@sourceware.org
Patchwork: https://patchwork.linux-mips.org/patch/5293/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 087d990b

arch/mips/kernel/kprobes.c

+4 −1
Original line number Diff line number Diff line
@@ -207,7 +207,10 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) 


void __kprobes arch_remove_kprobe(struct kprobe *p)

{

	if (p->ainsn.insn) {

		free_insn_slot(p->ainsn.insn, 0);

		p->ainsn.insn = NULL;

	}

}



static void save_previous_kprobe(struct kprobe_ctlblk *kcb)