diff options
Diffstat (limited to 'kernel/trace/trace_syscalls.c')
| -rw-r--r-- | kernel/trace/trace_syscalls.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index 57501d9..75289f3 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -217,10 +217,6 @@ int syscall_enter_define_fields(struct ftrace_event_call *call) int i; int offset = offsetof(typeof(trace), args); - ret = trace_define_common_fields(call); - if (ret) - return ret; - ret = trace_define_field(call, SYSCALL_FIELD(int, nr), FILTER_OTHER); if (ret) return ret; @@ -241,10 +237,6 @@ int syscall_exit_define_fields(struct ftrace_event_call *call) struct syscall_trace_exit trace; int ret; - ret = trace_define_common_fields(call); - if (ret) - return ret; - ret = trace_define_field(call, SYSCALL_FIELD(int, nr), FILTER_OTHER); if (ret) return ret; @@ -333,10 +325,7 @@ int reg_event_syscall_enter(struct ftrace_event_call *call) mutex_lock(&syscall_trace_lock); if (!sys_refcount_enter) ret = register_trace_sys_enter(ftrace_syscall_enter); - if (ret) { - pr_info("event trace: Could not activate" - "syscall entry trace point"); - } else { + if (!ret) { set_bit(num, enabled_enter_syscalls); sys_refcount_enter++; } @@ -370,10 +359,7 @@ int reg_event_syscall_exit(struct ftrace_event_call *call) mutex_lock(&syscall_trace_lock); if (!sys_refcount_exit) ret = register_trace_sys_exit(ftrace_syscall_exit); - if (ret) { - pr_info("event trace: Could not activate" - "syscall exit trace point"); - } else { + if (!ret) { set_bit(num, enabled_exit_syscalls); sys_refcount_exit++; } |