diff options
Diffstat (limited to 'drivers/staging/ozwpan/ozpd.c')
-rw-r--r-- | drivers/staging/ozwpan/ozpd.c | 53 |
1 files changed, 27 insertions, 26 deletions
diff --git a/drivers/staging/ozwpan/ozpd.c b/drivers/staging/ozwpan/ozpd.c index 1c95d5799217..021d74a132dd 100644 --- a/drivers/staging/ozwpan/ozpd.c +++ b/drivers/staging/ozwpan/ozpd.c @@ -103,34 +103,35 @@ void oz_pd_put(struct oz_pd *pd) struct oz_pd *oz_pd_alloc(const u8 *mac_addr) { struct oz_pd *pd; + int i; pd = kzalloc(sizeof(struct oz_pd), GFP_ATOMIC); - if (pd) { - int i; - - atomic_set(&pd->ref_count, 2); - for (i = 0; i < OZ_NB_APPS; i++) - spin_lock_init(&pd->app_lock[i]); - pd->last_rx_pkt_num = 0xffffffff; - oz_pd_set_state(pd, OZ_PD_S_IDLE); - pd->max_tx_size = OZ_MAX_TX_SIZE; - ether_addr_copy(pd->mac_addr, mac_addr); - oz_elt_buf_init(&pd->elt_buff); - spin_lock_init(&pd->tx_frame_lock); - INIT_LIST_HEAD(&pd->tx_queue); - INIT_LIST_HEAD(&pd->farewell_list); - pd->last_sent_frame = &pd->tx_queue; - spin_lock_init(&pd->stream_lock); - INIT_LIST_HEAD(&pd->stream_list); - tasklet_init(&pd->heartbeat_tasklet, oz_pd_heartbeat_handler, - (unsigned long)pd); - tasklet_init(&pd->timeout_tasklet, oz_pd_timeout_handler, - (unsigned long)pd); - hrtimer_init(&pd->heartbeat, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - hrtimer_init(&pd->timeout, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - pd->heartbeat.function = oz_pd_heartbeat_event; - pd->timeout.function = oz_pd_timeout_event; - } + if (!pd) + return NULL; + + atomic_set(&pd->ref_count, 2); + for (i = 0; i < OZ_NB_APPS; i++) + spin_lock_init(&pd->app_lock[i]); + pd->last_rx_pkt_num = 0xffffffff; + oz_pd_set_state(pd, OZ_PD_S_IDLE); + pd->max_tx_size = OZ_MAX_TX_SIZE; + ether_addr_copy(pd->mac_addr, mac_addr); + oz_elt_buf_init(&pd->elt_buff); + spin_lock_init(&pd->tx_frame_lock); + INIT_LIST_HEAD(&pd->tx_queue); + INIT_LIST_HEAD(&pd->farewell_list); + pd->last_sent_frame = &pd->tx_queue; + spin_lock_init(&pd->stream_lock); + INIT_LIST_HEAD(&pd->stream_list); + tasklet_init(&pd->heartbeat_tasklet, oz_pd_heartbeat_handler, + (unsigned long)pd); + tasklet_init(&pd->timeout_tasklet, oz_pd_timeout_handler, + (unsigned long)pd); + hrtimer_init(&pd->heartbeat, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + hrtimer_init(&pd->timeout, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + pd->heartbeat.function = oz_pd_heartbeat_event; + pd->timeout.function = oz_pd_timeout_event; + return pd; } |