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Diffstat (limited to 'arch/i386/kernel/kprobes.c')
-rw-r--r--arch/i386/kernel/kprobes.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index 3fbef288c376..b6a9d64c2251 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -226,24 +226,15 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
226} 226}
227 227
228/* Called with kretprobe_lock held */ 228/* Called with kretprobe_lock held */
229void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, 229void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
230 struct pt_regs *regs) 230 struct pt_regs *regs)
231{ 231{
232 unsigned long *sara = (unsigned long *)&regs->esp; 232 unsigned long *sara = (unsigned long *)&regs->esp;
233 233
234 struct kretprobe_instance *ri; 234 ri->ret_addr = (kprobe_opcode_t *) *sara;
235 235
236 if ((ri = get_free_rp_inst(rp)) != NULL) { 236 /* Replace the return addr with trampoline addr */
237 ri->rp = rp; 237 *sara = (unsigned long) &kretprobe_trampoline;
238 ri->task = current;
239 ri->ret_addr = (kprobe_opcode_t *) *sara;
240
241 /* Replace the return addr with trampoline addr */
242 *sara = (unsigned long) &kretprobe_trampoline;
243 add_rp_inst(ri);
244 } else {
245 rp->nmissed++;
246 }
247} 238}
248 239
249/* 240/*