commit 11034ae9c20f4057a6127fc965906417978e69b2 upstream Initialization of variable irq_flags and pc was missed when backport 11034ae9c to linux-3.0.y and linux-3.4.y, my fault.
Signed-off-by: zhangwei(Jovi) <[email protected]> --- kernel/trace/trace_syscalls.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index e675182..c9ce09a 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -358,6 +358,9 @@ void ftrace_syscall_exit(void *ignore, struct pt_regs *regs, long ret) if (!sys_data) return; + local_save_flags(irq_flags); + pc = preempt_count(); + event = trace_current_buffer_lock_reserve(&buffer, sys_data->exit_event->event.type, sizeof(*entry), irq_flags, pc); -- 1.7.9.7 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
