From: "Steven Rostedt (Red Hat)" <rost...@goodmis.org>
Currently only the splice NONBLOCK flag is checked to determine if
the splice read should block or not. But the file descriptor NONBLOCK
flag also needs to be checked.
Signed-off-by: Steven Rostedt <rost...@goodmis.org>
---
kernel/trace/trace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index b36befa..00e5e6e 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4543,7 +4543,7 @@ tracing_buffers_splice_read(struct file *file, loff_t
*ppos,
/* did we read anything? */
if (!spd.nr_pages) {
- if (flags & SPLICE_F_NONBLOCK)
+ if ((file->f_flags & O_NONBLOCK) || (flags & SPLICE_F_NONBLOCK))
ret = -EAGAIN;
else
ret = 0;
--
1.7.10.4
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