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| author | Manoj Prabhu B <bmanoj@codeaurora.org> | 2021-04-19 10:41:01 +0530 |
|---|---|---|
| committer | Madhab Sharma <madhshar@codeaurora.org> | 2021-05-18 17:36:12 +0530 |
| commit | 44a1037e726f9089905743fce40f10a2c9f7413d (patch) | |
| tree | 4c3d5bd970ad6690fe807344295ef4ed4946a11c | |
| parent | 95b4d2a89bf252bfe2bb5d2f7ba6c9ba1ff44ada (diff) | |
diag: Use valid data_source for a valid token
For a valid token indicating remote proc use data_source to
indicate packet originated from dci remote source.
Change-Id: I01729a905d532fae7ea046acc143598eca04460b
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>
| -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; |