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 <marcin.nowakowski@imgtec.com>
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 <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c
index 1149b30..cd8a689 100644
--- a/arch/mips/kernel/uprobes.c
+++ b/arch/mips/kernel/uprobes.c
@@ -257,7 +257,7 @@
ra = regs->regs[31];
/* Replace the return address with the trampoline address */
- regs->regs[31] = ra;
+ regs->regs[31] = trampoline_vaddr;
return ra;
}