riscv: fix trace_sys_exit hook

davidlt · palmer-dabbelt · commit 775800b0f1d7 · 2019-01-07T08:22:43.000-08:00
Fix compilation error.

Signed-off-by: David Abdurachmanov &lt;david.abdurachmanov@gmail.com&gt;
Signed-off-by: Palmer Dabbelt &lt;palmer@sifive.com&gt;
diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c
@@ -179,6 +179,6 @@ void do_syscall_trace_exit(struct pt_regs *regs)
 
 #ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
 	if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
-		trace_sys_exit(regs, regs->regs[0]);
+		trace_sys_exit(regs, regs_return_value(regs));
 #endif
 }

Original file line number	Diff line number	Diff line change
`@@ -179,6 +179,6 @@ void do_syscall_trace_exit(struct pt_regs *regs)`
`179`	`179`
`180`	`180`	`#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS`
`181`	`181`	`if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))`
`182`		`- trace_sys_exit(regs, regs->regs[0]);`
	`182`	`+ trace_sys_exit(regs, regs_return_value(regs));`
`183`	`183`	`#endif`
`184`	`184`	`}`