diff options
| author | Ingo Molnar <mingo@kernel.org> | 2019-04-16 12:02:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-04-16 12:02:43 +0200 |
| commit | 496156e3647f44e2aab3e64f86b63294afca458a (patch) | |
| tree | de4c35460ef0249623d45627ad40abad07b8e7cf /kernel/trace/trace.c | |
| parent | cabf5ebbabcd4ad59b6eb216876c4c2e56fd3386 (diff) | |
| parent | 618d919cae2fcaadc752f27ddac8b939da8b441a (diff) | |
Merge branch 'linus' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 21153e64bf1c..6c24755655c7 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -7041,12 +7041,16 @@ static void buffer_pipe_buf_release(struct pipe_inode_info *pipe, buf->private = 0; } -static void buffer_pipe_buf_get(struct pipe_inode_info *pipe, +static bool buffer_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf) { struct buffer_ref *ref = (struct buffer_ref *)buf->private; + if (ref->ref > INT_MAX/2) + return false; + ref->ref++; + return true; } /* Pipe buffer operations for a buffer. */ |