diff options
Diffstat (limited to 'arch/s390/kernel/ptrace.c')
-rw-r--r-- | arch/s390/kernel/ptrace.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 33fdc5a79764..9f654da4cecc 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c | |||
@@ -640,7 +640,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, | |||
640 | 640 | ||
641 | asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) | 641 | asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) |
642 | { | 642 | { |
643 | long ret; | 643 | long ret = 0; |
644 | 644 | ||
645 | /* Do the secure computing check first. */ | 645 | /* Do the secure computing check first. */ |
646 | secure_computing(regs->gprs[2]); | 646 | secure_computing(regs->gprs[2]); |
@@ -649,7 +649,6 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) | |||
649 | * The sysc_tracesys code in entry.S stored the system | 649 | * The sysc_tracesys code in entry.S stored the system |
650 | * call number to gprs[2]. | 650 | * call number to gprs[2]. |
651 | */ | 651 | */ |
652 | ret = regs->gprs[2]; | ||
653 | if (test_thread_flag(TIF_SYSCALL_TRACE) && | 652 | if (test_thread_flag(TIF_SYSCALL_TRACE) && |
654 | (tracehook_report_syscall_entry(regs) || | 653 | (tracehook_report_syscall_entry(regs) || |
655 | regs->gprs[2] >= NR_syscalls)) { | 654 | regs->gprs[2] >= NR_syscalls)) { |
@@ -671,7 +670,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) | |||
671 | regs->gprs[2], regs->orig_gpr2, | 670 | regs->gprs[2], regs->orig_gpr2, |
672 | regs->gprs[3], regs->gprs[4], | 671 | regs->gprs[3], regs->gprs[4], |
673 | regs->gprs[5]); | 672 | regs->gprs[5]); |
674 | return ret; | 673 | return ret ?: regs->gprs[2]; |
675 | } | 674 | } |
676 | 675 | ||
677 | asmlinkage void do_syscall_trace_exit(struct pt_regs *regs) | 676 | asmlinkage void do_syscall_trace_exit(struct pt_regs *regs) |