[ATM]: [drivers] kill pointless NULL checks and casts before kfree()
Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index 9e65bfb..5f70219 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -383,8 +383,7 @@
switch(fore200e->state) {
case FORE200E_STATE_COMPLETE:
- if (fore200e->stats)
- kfree(fore200e->stats);
+ kfree(fore200e->stats);
case FORE200E_STATE_IRQ:
free_irq(fore200e->irq, fore200e->atm_dev);
@@ -963,8 +962,7 @@
entry, txq->tail, entry->vc_map, entry->skb);
/* free copy of misaligned data */
- if (entry->data)
- kfree(entry->data);
+ kfree(entry->data);
/* remove DMA mapping */
fore200e->bus->dma_unmap(fore200e, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length,
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index 3022c54..df2c83f 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -412,8 +412,7 @@
init_one_failure:
if (atm_dev)
atm_dev_deregister(atm_dev);
- if (he_dev)
- kfree(he_dev);
+ kfree(he_dev);
pci_disable_device(pci_dev);
return err;
}
@@ -2534,8 +2533,7 @@
open_failed:
if (err) {
- if (he_vcc)
- kfree(he_vcc);
+ kfree(he_vcc);
clear_bit(ATM_VF_ADDR, &vcc->flags);
}
else
diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c
index 85bf5c8..b2a7b75 100644
--- a/drivers/atm/nicstar.c
+++ b/drivers/atm/nicstar.c
@@ -676,10 +676,10 @@
PRINTK("nicstar%d: RSQ base at 0x%x.\n", i, (u32) card->rsq.base);
/* Initialize SCQ0, the only VBR SCQ used */
- card->scq1 = (scq_info *) NULL;
- card->scq2 = (scq_info *) NULL;
+ card->scq1 = NULL;
+ card->scq2 = NULL;
card->scq0 = get_scq(VBR_SCQSIZE, NS_VRSCD0);
- if (card->scq0 == (scq_info *) NULL)
+ if (card->scq0 == NULL)
{
printk("nicstar%d: can't get SCQ0.\n", i);
error = 12;
@@ -993,24 +993,24 @@
int i;
if (size != VBR_SCQSIZE && size != CBR_SCQSIZE)
- return (scq_info *) NULL;
+ return NULL;
scq = (scq_info *) kmalloc(sizeof(scq_info), GFP_KERNEL);
- if (scq == (scq_info *) NULL)
- return (scq_info *) NULL;
+ if (scq == NULL)
+ return NULL;
scq->org = kmalloc(2 * size, GFP_KERNEL);
if (scq->org == NULL)
{
kfree(scq);
- return (scq_info *) NULL;
+ return NULL;
}
scq->skb = (struct sk_buff **) kmalloc(sizeof(struct sk_buff *) *
(size / NS_SCQE_SIZE), GFP_KERNEL);
- if (scq->skb == (struct sk_buff **) NULL)
+ if (scq->skb == NULL)
{
kfree(scq->org);
kfree(scq);
- return (scq_info *) NULL;
+ return NULL;
}
scq->num_entries = size / NS_SCQE_SIZE;
scq->base = (ns_scqe *) ALIGN_ADDRESS(scq->org, size);
@@ -1498,7 +1498,7 @@
vc->cbr_scd = NS_FRSCD + frscdi * NS_FRSCD_SIZE;
scq = get_scq(CBR_SCQSIZE, vc->cbr_scd);
- if (scq == (scq_info *) NULL)
+ if (scq == NULL)
{
PRINTK("nicstar%d: can't get fixed rate SCQ.\n", card->index);
card->scd2vc[frscdi] = NULL;
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index 47a8005..8d5e65c 100644
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -902,7 +902,7 @@
zatm_dev->tx_bw += vcc->qos.txtp.min_pcr;
dealloc_shaper(vcc->dev,zatm_vcc->shaper);
}
- if (zatm_vcc->ring) kfree(zatm_vcc->ring);
+ kfree(zatm_vcc->ring);
}
@@ -1339,12 +1339,9 @@
return 0;
out:
for (i = 0; i < NR_MBX; i++)
- if (zatm_dev->mbx_start[i] != 0)
- kfree((void *) zatm_dev->mbx_start[i]);
- if (zatm_dev->rx_map != NULL)
- kfree(zatm_dev->rx_map);
- if (zatm_dev->tx_map != NULL)
- kfree(zatm_dev->tx_map);
+ kfree(zatm_dev->mbx_start[i]);
+ kfree(zatm_dev->rx_map);
+ kfree(zatm_dev->tx_map);
free_irq(zatm_dev->irq, dev);
return error;
}