summaryrefslogtreecommitdiff
path: root/kernel/trace/trace.c
diff options
context:
space:
mode:
authorMichael Bestas <mkbestas@lineageos.org>2020-04-14 16:18:14 +0300
committerMichael Bestas <mkbestas@lineageos.org>2020-04-14 18:41:04 +0300
commit9eb199e06bc76fb2677052c3a171b2ab917c121d (patch)
treed92fe8bf4acb7ed72bb329b4191bc2bc7f222d73 /kernel/trace/trace.c
parent268d6e9ab66bfd7a826050a9a651cdd6bca2f773 (diff)
parentf9991115f079363d70ce91c37d850ec4a5e065a6 (diff)
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05300-8x98.0 up to date with https://android.googlesource.com/kernel/common/ android-4.4-p at commit: f9991115f0793 Merge 4.4.219 into android-4.4-p Conflicts: drivers/clk/qcom/clk-rcg2.c drivers/scsi/sd.c drivers/usb/gadget/function/f_fs.c drivers/usb/gadget/function/u_serial.c Change-Id: Ifed3db0ddda828c1697e57e9f73c1b73354bebf7
Diffstat (limited to 'kernel/trace/trace.c')
-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 4509cf51fbfd..b0ebb271bae7 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5910,12 +5910,16 @@ 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. */