diff options
| author | Michael Bestas <mkbestas@lineageos.org> | 2021-07-10 21:23:46 +0300 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2021-07-10 21:23:46 +0300 |
| commit | d46db1f472cf55742a7a2db10218cdcc084e0daf (patch) | |
| tree | 83eb78fe6731210f67c0b4910223118881b5234b /drivers/char | |
| parent | 0ce166e3c4e576ae072d950006a937931df8ca3c (diff) | |
| parent | aea8f366b3776d8903cc0fa008c0682030d101c7 (diff) | |
Merge tag 'LA.UM.9.2.r1-03400-SDMxx0.0' of https://source.codeaurora.org/quic/la/kernel/msm-4.4 into lineage-18.1-caf-msm8998
* tag 'LA.UM.9.2.r1-03400-SDMxx0.0' of https://source.codeaurora.org/quic/la/kernel/msm-4.4:
diag: Use valid data_source for a valid token
Change-Id: Ie86f072048d1863b07d74ef1e6500b5f18e75963
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/diag/diag_dci.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/char/diag/diag_dci.c b/drivers/char/diag/diag_dci.c index cf2e08f65b64..1fe7fa0debcc 100644 --- a/drivers/char/diag/diag_dci.c +++ b/drivers/char/diag/diag_dci.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved. +/* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -1061,6 +1061,11 @@ void extract_dci_pkt_rsp(unsigned char *buf, int len, int data_source, return; } + if (token != entry->client_info.token) { + mutex_unlock(&driver->dci_mutex); + return; + } + mutex_lock(&entry->buffers[data_source].buf_mutex); rsp_buf = entry->buffers[data_source].buf_cmd; |