diff options
Diffstat (limited to 'arch/s390/lib/test_unwind.c')
| -rw-r--r-- | arch/s390/lib/test_unwind.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/arch/s390/lib/test_unwind.c b/arch/s390/lib/test_unwind.c index dcd8946255be..2f32802f79ce 100644 --- a/arch/s390/lib/test_unwind.c +++ b/arch/s390/lib/test_unwind.c @@ -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) { @@ -296,19 +296,22 @@ static int test_unwind_flags(int flags) static int test_unwind_init(void) { - int ret = 0; + int failed = 0; + int total = 0; #define TEST(flags) \ do { \ pr_info("[ RUN ] " #flags "\n"); \ + total++; \ if (!test_unwind_flags((flags))) { \ pr_info("[ OK ] " #flags "\n"); \ } else { \ pr_err("[ FAILED ] " #flags "\n"); \ - ret = -EINVAL; \ + failed++; \ } \ } while (0) + pr_info("running stack unwinder tests"); TEST(UWM_DEFAULT); TEST(UWM_SP); TEST(UWM_REGS); @@ -335,8 +338,14 @@ do { \ TEST(UWM_PGM | UWM_SP | UWM_REGS); #endif #undef TEST + if (failed) { + pr_err("%d of %d stack unwinder tests failed", failed, total); + WARN(1, "%d of %d stack unwinder tests failed", failed, total); + } else { + pr_info("all %d stack unwinder tests passed", total); + } - return ret; + return failed ? -EINVAL : 0; } static void test_unwind_exit(void) |