diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/trace/trace_syscalls.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index 60e4d7875672..6b245f64c8dd 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c | |||
@@ -506,6 +506,8 @@ static void perf_syscall_enter(void *ignore, struct pt_regs *regs, long id) | |||
506 | int size; | 506 | int size; |
507 | 507 | ||
508 | syscall_nr = syscall_get_nr(current, regs); | 508 | syscall_nr = syscall_get_nr(current, regs); |
509 | if (syscall_nr < 0) | ||
510 | return; | ||
509 | if (!test_bit(syscall_nr, enabled_perf_enter_syscalls)) | 511 | if (!test_bit(syscall_nr, enabled_perf_enter_syscalls)) |
510 | return; | 512 | return; |
511 | 513 | ||
@@ -580,6 +582,8 @@ static void perf_syscall_exit(void *ignore, struct pt_regs *regs, long ret) | |||
580 | int size; | 582 | int size; |
581 | 583 | ||
582 | syscall_nr = syscall_get_nr(current, regs); | 584 | syscall_nr = syscall_get_nr(current, regs); |
585 | if (syscall_nr < 0) | ||
586 | return; | ||
583 | if (!test_bit(syscall_nr, enabled_perf_exit_syscalls)) | 587 | if (!test_bit(syscall_nr, enabled_perf_exit_syscalls)) |
584 | return; | 588 | return; |
585 | 589 | ||