diff options
| author | Manoj Prabhu B <bmanoj@codeaurora.org> | 2021-04-19 10:41:01 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2022-09-16 03:58:13 -0700 |
| commit | 6fc2001969fec56eb463e250dbf6116bef273045 (patch) | |
| tree | 1afcd91157bce52045a7246c950cf376366e1140 /drivers/char | |
| parent | 5a359aba0364672acc23726dc807945ae6ce6397 (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>
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; |