From db06068a4fd44a57b642b369d2a295b8448f6b65 Mon Sep 17 00:00:00 2001 From: Marcin Nowakowski Date: Thu, 22 Sep 2016 15:38:31 +0200 Subject: [PATCH] MIPS: fix uretprobe implementation arch_uretprobe_hijack_return_addr should replace the return address for a call with a trampoline address. Signed-off-by: Marcin Nowakowski Fixes: 40e084a506eb ('MIPS: Add uprobes support.') Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14298/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/uprobes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c index 1149b30c9aeb..cd8a68948066 100644 --- a/arch/mips/kernel/uprobes.c +++ b/arch/mips/kernel/uprobes.c @@ -257,7 +257,7 @@ unsigned long arch_uretprobe_hijack_return_addr( ra = regs->regs[31]; /* Replace the return address with the trampoline address */ - regs->regs[31] = ra; + regs->regs[31] = trampoline_vaddr; return ra; }