diff options
| -rw-r--r-- | drivers/misc/bcm-vk/bcm_vk_msg.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/drivers/misc/bcm-vk/bcm_vk_msg.c b/drivers/misc/bcm-vk/bcm_vk_msg.c index 066b9ef7fcd7..3c081504f38c 100644 --- a/drivers/misc/bcm-vk/bcm_vk_msg.c +++ b/drivers/misc/bcm-vk/bcm_vk_msg.c @@ -757,20 +757,19 @@ static struct bcm_vk_wkent *bcm_vk_dequeue_pending(struct bcm_vk *vk, u16 q_num, u16 msg_id) { - bool found = false; - struct bcm_vk_wkent *entry; + struct bcm_vk_wkent *entry = NULL, *iter; spin_lock(&chan->pendq_lock); - list_for_each_entry(entry, &chan->pendq[q_num], node) { - if (get_msg_id(&entry->to_v_msg[0]) == msg_id) { - list_del(&entry->node); - found = true; + list_for_each_entry(iter, &chan->pendq[q_num], node) { + if (get_msg_id(&iter->to_v_msg[0]) == msg_id) { + list_del(&iter->node); + entry = iter; bcm_vk_msgid_bitmap_clear(vk, msg_id, 1); break; } } spin_unlock(&chan->pendq_lock); - return ((found) ? entry : NULL); + return entry; } s32 bcm_to_h_msg_dequeue(struct bcm_vk *vk) @@ -1010,16 +1009,14 @@ ssize_t bcm_vk_read(struct file *p_file, miscdev); struct device *dev = &vk->pdev->dev; struct bcm_vk_msg_chan *chan = &vk->to_h_msg_chan; - struct bcm_vk_wkent *entry = NULL; + struct bcm_vk_wkent *entry = NULL, *iter; u32 q_num; u32 rsp_length; - bool found = false; if (!bcm_vk_drv_access_ok(vk)) return -EPERM; dev_dbg(dev, "Buf count %zu\n", count); - found = false; /* * search through the pendq on the to_h chan, and return only those @@ -1028,13 +1025,13 @@ ssize_t bcm_vk_read(struct file *p_file, */ spin_lock(&chan->pendq_lock); for (q_num = 0; q_num < chan->q_nr; q_num++) { - list_for_each_entry(entry, &chan->pendq[q_num], node) { - if (entry->ctx->idx == ctx->idx) { + list_for_each_entry(iter, &chan->pendq[q_num], node) { + if (iter->ctx->idx == ctx->idx) { if (count >= - (entry->to_h_blks * VK_MSGQ_BLK_SIZE)) { - list_del(&entry->node); + (iter->to_h_blks * VK_MSGQ_BLK_SIZE)) { + list_del(&iter->node); atomic_dec(&ctx->pend_cnt); - found = true; + entry = iter; } else { /* buffer not big enough */ rc = -EMSGSIZE; @@ -1046,7 +1043,7 @@ ssize_t bcm_vk_read(struct file *p_file, read_loop_exit: spin_unlock(&chan->pendq_lock); - if (found) { + if (entry) { /* retrieve the passed down msg_id */ set_msg_id(&entry->to_h_msg[0], entry->usr_msg_id); rsp_length = entry->to_h_blks * VK_MSGQ_BLK_SIZE; |