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[ATM]: [drivers] kill pointless NULL checks and casts before kfree()

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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>
This commit is contained in:
Jesper Juhl 2005-06-02 13:04:07 -07:00 committed by David S. Miller
parent 3087e1ff8d
commit a2c1aa5474
4 changed files with 18 additions and 25 deletions
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6
drivers/atm/fore200e.c
View File

@ -383,8 +383,7 @@ fore200e_shutdown(struct fore200e* fore200e)
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 @@ fore200e_tx_irq(struct fore200e* fore200e)
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,

6
drivers/atm/he.c
View File

@ -412,8 +412,7 @@ he_init_one(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent)
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 @@ he_open(struct atm_vcc *vcc)
open_failed:
if (err) {
if (he_vcc)
kfree(he_vcc);
kfree(he_vcc);
clear_bit(ATM_VF_ADDR, &vcc->flags);
}
else

20
drivers/atm/nicstar.c
View File

@ -676,10 +676,10 @@ static int __devinit ns_init_card(int i, struct pci_dev *pcidev)
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 @@ static scq_info *get_scq(int size, u32 scd)
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 @@ static int ns_open(struct atm_vcc *vcc)
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;

11
drivers/atm/zatm.c
View File

@ -902,7 +902,7 @@ static void close_tx(struct atm_vcc *vcc)
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 @@ static int __init zatm_start(struct atm_dev *dev)
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;
}