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authorDavid S. Miller <davem@davemloft.net>2019-04-17 11:26:25 -0700
committerDavid S. Miller <davem@davemloft.net>2019-04-17 11:26:25 -0700
commit6b0a7f84ea1fe248df96ccc4dd86e817e32ef65b (patch)
tree0a7976054052e793da782c2b7ec34eccfbf66449 /kernel/trace
parentMerge branch 's390-next' (diff)
parentMerge tag 'for-linus-5.1-2' of git://github.com/cminyard/linux-ipmi (diff)
downloadlinux-dev-6b0a7f84ea1fe248df96ccc4dd86e817e32ef65b.tar.xz
linux-dev-6b0a7f84ea1fe248df96ccc4dd86e817e32ef65b.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflict resolution of af_smc.c from Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/trace.c6
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. */