spin_lock_init(&tx->lock);
tx->sdu_buf = kmalloc(SDU_TX_BUF_SIZE, GFP_KERNEL);
- if (tx->sdu_buf == NULL)
+ if (!tx->sdu_buf)
goto fail;
for (i = 0; i < MAX_NR_SDU_BUF; i++) {
t = alloc_tx_struct(tx);
- if (t == NULL) {
+ if (!t) {
ret = -ENOMEM;
goto fail;
}
for (i = 0; i < MAX_NR_RX_BUF; i++) {
r = alloc_rx_struct(rx);
- if (r == NULL) {
+ if (!r) {
ret = -ENOMEM;
goto fail;
}
}
rx->rx_buf = kmalloc(RX_BUF_SIZE, GFP_KERNEL);
- if (rx->rx_buf == NULL)
+ if (!rx->rx_buf)
goto fail;
return 0;
is_sdu = 1;
}
- if (!is_sdu && t == NULL) {
+ if (!is_sdu && !t) {
spin_unlock_irqrestore(&tx->lock, flags);
return;
}
cmd_evt = (pkt[0] << 8) | pkt[1];
if (cmd_evt == WIMAX_TX_SDU) {
t = get_tx_struct(tx, &no_spc);
- if (t == NULL) {
+ if (!t) {
/* This case must not happen. */
spin_unlock_irqrestore(&tx->lock, flags);
return -ENOSPC;
t->cb_data = cb_data;
} else {
t = alloc_tx_struct(tx);
- if (t == NULL) {
+ if (!t) {
spin_unlock_irqrestore(&tx->lock, flags);
return -ENOMEM;
}
spin_lock_irqsave(&rx->lock, flags);
r = get_rx_struct(rx);
- if (r == NULL) {
+ if (!r) {
spin_unlock_irqrestore(&rx->lock, flags);
return -ENOMEM;
}
return ret;
phy_dev = kzalloc(sizeof(*phy_dev), GFP_KERNEL);
- if (phy_dev == NULL) {
+ if (!phy_dev) {
ret = -ENOMEM;
goto out;
}
sdev = kzalloc(sizeof(*sdev), GFP_KERNEL);
- if (sdev == NULL) {
+ if (!sdev) {
ret = -ENOMEM;
goto out;
}