From a2c1aa54746bace5d03cc66521fbf3bb6fb2f916 Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Thu, 2 Jun 2005 13:04:07 -0700 Subject: [ATM]: [drivers] kill pointless NULL checks and casts before kfree() Signed-off-by: Jesper Juhl Signed-off-by: Chas Williams Signed-off-by: David S. Miller --- drivers/atm/fore200e.c | 6 ++---- drivers/atm/he.c | 6 ++---- drivers/atm/nicstar.c | 20 ++++++++++---------- drivers/atm/zatm.c | 11 ++++------- 4 files changed, 18 insertions(+), 25 deletions(-) (limited to 'drivers/atm') diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index 9e65bfb85ba3..5f702199543a 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -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, diff --git a/drivers/atm/he.c b/drivers/atm/he.c index 3022c548a132..df2c83fd5496 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -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 diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c index 85bf5c8442b0..b2a7b754fd14 100644 --- a/drivers/atm/nicstar.c +++ b/drivers/atm/nicstar.c @@ -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; diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c index 47a800519ad0..8d5e65cb9755 100644 --- a/drivers/atm/zatm.c +++ b/drivers/atm/zatm.c @@ -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; } -- cgit v1.2.3