diff options
Diffstat (limited to 'drivers/char/diag/diagfwd.c')
| -rw-r--r-- | drivers/char/diag/diagfwd.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/char/diag/diagfwd.c b/drivers/char/diag/diagfwd.c index ef08f939c36e..40412ba87897 100644 --- a/drivers/char/diag/diagfwd.c +++ b/drivers/char/diag/diagfwd.c @@ -226,6 +226,7 @@ void chk_logging_wakeup(void) * situation. */ driver->data_ready[i] |= USER_SPACE_DATA_TYPE; + atomic_inc(&driver->data_ready_notif[i]); pr_debug("diag: Force wakeup of logging process\n"); wake_up_interruptible(&driver->wait_q); break; @@ -480,8 +481,10 @@ void diag_update_userspace_clients(unsigned int type) mutex_lock(&driver->diagchar_mutex); for (i = 0; i < driver->num_clients; i++) - if (driver->client_map[i].pid != 0) + if (driver->client_map[i].pid != 0) { driver->data_ready[i] |= type; + atomic_inc(&driver->data_ready_notif[i]); + } wake_up_interruptible(&driver->wait_q); mutex_unlock(&driver->diagchar_mutex); } @@ -498,6 +501,8 @@ void diag_update_md_clients(unsigned int type) driver->client_map[j].pid == driver->md_session_map[i]->pid) { driver->data_ready[j] |= type; + atomic_inc( + &driver->data_ready_notif[j]); break; } } @@ -513,6 +518,7 @@ void diag_update_sleeping_process(int process_id, int data_type) for (i = 0; i < driver->num_clients; i++) if (driver->client_map[i].pid == process_id) { driver->data_ready[i] |= data_type; + atomic_inc(&driver->data_ready_notif[i]); break; } wake_up_interruptible(&driver->wait_q); @@ -1703,6 +1709,8 @@ int diagfwd_init(void) , GFP_KERNEL)) == NULL) goto err; kmemleak_not_leak(driver->data_ready); + for (i = 0; i < THRESHOLD_CLIENT_LIMIT; i++) + atomic_set(&driver->data_ready_notif[i], 0); if (driver->apps_req_buf == NULL) { driver->apps_req_buf = kzalloc(DIAG_MAX_REQ_SIZE, GFP_KERNEL); if (!driver->apps_req_buf) |