diff options
Diffstat (limited to 'drivers/misc/qseecom.c')
| -rw-r--r-- | drivers/misc/qseecom.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c index 134995c9cd3c..8d03c36858b3 100644 --- a/drivers/misc/qseecom.c +++ b/drivers/misc/qseecom.c @@ -7043,7 +7043,11 @@ long qseecom_ioctl(struct file *file, unsigned cmd, unsigned long arg) break; } pr_debug("SET_MEM_PARAM: qseecom addr = 0x%pK\n", data); + mutex_lock(&app_access_lock); + atomic_inc(&data->ioctl_count); ret = qseecom_set_client_mem_param(data, argp); + atomic_dec(&data->ioctl_count); + mutex_unlock(&app_access_lock); if (ret) pr_err("failed Qqseecom_set_mem_param request: %d\n", ret); |