evie/android_kernel_oneplus_msm8998
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diag: dci: Check for valid dci client entry

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This patch adds the check for dci client entry validity
before being accessed for its structure member.

CRs-Fixed: 1097921
Change-Id: I30307599a86fff5174da1022361294e83ed8b761
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>
This commit is contained in:
Manoj Prabhu B 2017-02-01 15:09:13 +05:30
parent 314869eb56
commit 58852d2945
1 changed files with 4 additions and 3 deletions
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3
drivers/char/diag/diag_dci.c
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@ -1,4 +1,4 @@
/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
/* Copyright (c) 2012-2017, 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
@ -2203,6 +2203,7 @@ struct diag_dci_client_tbl *dci_lookup_client_entry_pid(int tgid)
struct diag_dci_client_tbl *entry = NULL;
list_for_each_safe(start, temp, &driver->dci_client_list) {
entry = list_entry(start, struct diag_dci_client_tbl, track);
if (entry->client && entry->tgid == entry->client->tgid)
if (entry->client->tgid == tgid)
return entry;
}