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authorDmitry Shmidt <dimitrysh@google.com>2016-08-01 15:51:01 -0700
committerDmitry Shmidt <dimitrysh@google.com>2016-08-01 15:57:55 -0700
commitb558f17a13b10761eb6f838e713425b9e83f8a01 (patch)
tree425828a423411d6c65e5b18a3330d244eef987b0 /kernel/trace/trace.c
parent818aa36ea868ba8f2985f9ca0906fd9cba3e437d (diff)
parentb05965f284db3e086022f4e318e46cb5bffb1376 (diff)
Merge tag 'v4.4.16' into android-4.4.y
This is the 4.4.16 stable release Change-Id: Ibaf7b7e03695e1acebc654a2ca1a4bfcc48fcea4
Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r--kernel/trace/trace.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 5f375d4c05fb..dd4d86ae8e21 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1771,7 +1771,7 @@ void trace_buffer_unlock_commit_regs(struct trace_array *tr,
{
__buffer_unlock_commit(buffer, event);
- ftrace_trace_stack(tr, buffer, flags, 6, pc, regs);
+ ftrace_trace_stack(tr, buffer, flags, 0, pc, regs);
ftrace_trace_userstack(buffer, flags, pc);
}
EXPORT_SYMBOL_GPL(trace_buffer_unlock_commit_regs);
@@ -5038,7 +5038,10 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,
spd.nr_pages = i;
- ret = splice_to_pipe(pipe, &spd);
+ if (i)
+ ret = splice_to_pipe(pipe, &spd);
+ else
+ ret = 0;
out:
splice_shrink_spd(&spd);
return ret;