Commit f169f421 authored by Vasily Gorbik's avatar Vasily Gorbik Committed by Heiko Carstens
Browse files

s390/test_unwind: unify error handling paths 



Handle the case of "unwind state reliable but addr is 0" like other error
cases in this function and trigger output of failing stacktrace to aid
debugging.

Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent 4dd4269e

arch/s390/lib/test_unwind.c

+2 −2
Original line number Diff line number Diff line
@@ -64,8 +64,8 @@ static noinline int test_unwind(struct task_struct *task, struct pt_regs *regs, 
			break;

		if (state.reliable && !addr) {

			pr_err("unwind state reliable but addr is 0\n");

			kfree(bt);

			return -EINVAL;

			ret = -EINVAL;

			break;

		}

		sprint_symbol(sym, addr);

		if (bt_pos < BT_BUF_SIZE) {