diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2019-09-03 14:02:17 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2019-09-03 14:02:17 -0700 |
| commit | 691b7ecff910a97bb608e0c9d299d9b6970814a8 (patch) | |
| tree | ee4f85c52ed22cab41d7f2cc86a827dd5617ff99 /drivers/misc | |
| parent | 616e6389399e0c8fb6213265ab090000cbc318a1 (diff) | |
| parent | ccc8c4fcf682d2e0b44d0c18e87fcb19e0d224d7 (diff) | |
Merge "qseecom: check invalid handle for app loaded query request"
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/qseecom.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c index e85b2b8972c9..c002f8cc1d33 100644 --- a/drivers/misc/qseecom.c +++ b/drivers/misc/qseecom.c @@ -1,6 +1,6 @@ /*Qualcomm Secure Execution Environment Communicator (QSEECOM) driver * - * Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. + * Copyright (c) 2012-2019, 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 @@ -7281,6 +7281,13 @@ long qseecom_ioctl(struct file *file, unsigned cmd, unsigned long arg) break; } case QSEECOM_IOCTL_APP_LOADED_QUERY_REQ: { + if ((data->type != QSEECOM_GENERIC) && + (data->type != QSEECOM_CLIENT_APP)) { + pr_err("app loaded query req: invalid handle (%d)\n", + data->type); + ret = -EINVAL; + break; + } data->type = QSEECOM_CLIENT_APP; mutex_lock(&app_access_lock); atomic_inc(&data->ioctl_count); |