diff options
Diffstat (limited to 'kernel/trace/trace_syscalls.c')
| -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 | ||
