[ATM]: kmalloc to kzalloc patches for drivers/atm

Signed-off-by: Om Narasimhan <om.turyx@gmail.com>
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c
index 6cc93de..ac2c108 100644 (file)
--- a/drivers/atm/adummy.c
+++ b/drivers/atm/adummy.c
@@ -113,15 +113,13 @@ static int __init adummy_init(void)
 
        printk(KERN_ERR "adummy: version %s\n", DRV_VERSION);
 
-       adummy_dev = (struct adummy_dev *) kmalloc(sizeof(struct adummy_dev),
+       adummy_dev = kzalloc(sizeof(struct adummy_dev),
                                                   GFP_KERNEL);
        if (!adummy_dev) {
-               printk(KERN_ERR DEV_LABEL ": kmalloc() failed\n");
+               printk(KERN_ERR DEV_LABEL ": kzalloc() failed\n");
                err = -ENOMEM;
                goto out;
        }
-       memset(adummy_dev, 0, sizeof(struct adummy_dev));
-
        atm_dev = atm_dev_register(DEV_LABEL, &adummy_ops, -1, NULL);
        if (!atm_dev) {
                printk(KERN_ERR DEV_LABEL ": atm_dev_register() failed\n");

diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index 38fc054..5f25e5e 100644 (file)
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -1784,7 +1784,7 @@ static int __devinit fs_init (struct fs_dev *dev)
                write_fs (dev, RAM, (1 << (28 - FS155_VPI_BITS - FS155_VCI_BITS)) - 1);
                dev->nchannels = FS155_NR_CHANNELS;
        }
-       dev->atm_vccs = kmalloc (dev->nchannels * sizeof (struct atm_vcc *), 
+       dev->atm_vccs = kcalloc (dev->nchannels, sizeof (struct atm_vcc *),
                                 GFP_KERNEL);
        fs_dprintk (FS_DEBUG_ALLOC, "Alloc atmvccs: %p(%Zd)\n",
                    dev->atm_vccs, dev->nchannels * sizeof (struct atm_vcc *));
@@ -1794,9 +1794,8 @@ static int __devinit fs_init (struct fs_dev *dev)
                /* XXX Clean up..... */
                return 1;
        }
-       memset (dev->atm_vccs, 0, dev->nchannels * sizeof (struct atm_vcc *));
 
-       dev->tx_inuse = kmalloc (dev->nchannels / 8 /* bits/byte */ , GFP_KERNEL);
+       dev->tx_inuse = kzalloc (dev->nchannels / 8 /* bits/byte */ , GFP_KERNEL);
        fs_dprintk (FS_DEBUG_ALLOC, "Alloc tx_inuse: %p(%d)\n", 
                    dev->atm_vccs, dev->nchannels / 8);
 
@@ -1805,8 +1804,6 @@ static int __devinit fs_init (struct fs_dev *dev)
                /* XXX Clean up..... */
                return 1;
        }
-       memset (dev->tx_inuse, 0, dev->nchannels / 8);
-
        /* -- RAS1 : FS155 and 50 differ. Default (0) should be OK for both */
        /* -- RAS2 : FS50 only: Default is OK. */
 
@@ -1893,14 +1890,11 @@ static int __devinit firestream_init_one (struct pci_dev *pci_dev,
        if (pci_enable_device(pci_dev)) 
                goto err_out;
 
-       fs_dev = kmalloc (sizeof (struct fs_dev), GFP_KERNEL);
+       fs_dev = kzalloc (sizeof (struct fs_dev), GFP_KERNEL);
        fs_dprintk (FS_DEBUG_ALLOC, "Alloc fs-dev: %p(%Zd)\n",
                    fs_dev, sizeof (struct fs_dev));
        if (!fs_dev)
                goto err_out;
-
-       memset (fs_dev, 0, sizeof (struct fs_dev));
-  
        atm_dev = atm_dev_register("fs", &ops, -1, NULL);
        if (!atm_dev)
                goto err_out_free_fs_dev;

diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index f2511b4..b22a914 100644 (file)
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -383,14 +383,12 @@ he_init_one(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent)
        }
        pci_set_drvdata(pci_dev, atm_dev);
 
-       he_dev = (struct he_dev *) kmalloc(sizeof(struct he_dev),
+       he_dev = kzalloc(sizeof(struct he_dev),
                                                        GFP_KERNEL);
        if (!he_dev) {
                err = -ENOMEM;
                goto init_one_failure;
        }
-       memset(he_dev, 0, sizeof(struct he_dev));
-
        he_dev->pci_dev = pci_dev;
        he_dev->atm_dev = atm_dev;
        he_dev->atm_dev->dev_data = he_dev;

diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c
index d1113e8..209dba1 100644 (file)
--- a/drivers/atm/horizon.c
+++ b/drivers/atm/horizon.c
@@ -2719,7 +2719,7 @@ static int __devinit hrz_probe(struct pci_dev *pci_dev, const struct pci_device_
                goto out_disable;
        }
 
-       dev = kmalloc(sizeof(hrz_dev), GFP_KERNEL);
+       dev = kzalloc(sizeof(hrz_dev), GFP_KERNEL);
        if (!dev) {
                // perhaps we should be nice: deregister all adapters and abort?
                PRINTD(DBG_ERR, "out of memory");
@@ -2727,8 +2727,6 @@ static int __devinit hrz_probe(struct pci_dev *pci_dev, const struct pci_device_
                goto out_release;
        }
 
-       memset(dev, 0, sizeof(hrz_dev));
-
        pci_set_drvdata(pci_dev, dev);
 
        // grab IRQ and install handler - move this someplace more sensible

diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index b0369bb..7487f0a 100644 (file)
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -642,11 +642,9 @@ alloc_scq(struct idt77252_dev *card, int class)
 {
        struct scq_info *scq;
 
-       scq = (struct scq_info *) kmalloc(sizeof(struct scq_info), GFP_KERNEL);
+       scq = kzalloc(sizeof(struct scq_info), GFP_KERNEL);
        if (!scq)
                return NULL;
-       memset(scq, 0, sizeof(struct scq_info));
-
        scq->base = pci_alloc_consistent(card->pcidev, SCQ_SIZE,
                                         &scq->paddr);
        if (scq->base == NULL) {
@@ -2142,11 +2140,9 @@ idt77252_init_est(struct vc_map *vc, int pcr)
 {
        struct rate_estimator *est;
 
-       est = kmalloc(sizeof(struct rate_estimator), GFP_KERNEL);
+       est = kzalloc(sizeof(struct rate_estimator), GFP_KERNEL);
        if (!est)
                return NULL;
-       memset(est, 0, sizeof(*est));
-
        est->maxcps = pcr < 0 ? -pcr : pcr;
        est->cps = est->maxcps;
        est->avcps = est->cps << 5;
@@ -2451,14 +2447,12 @@ idt77252_open(struct atm_vcc *vcc)
 
        index = VPCI2VC(card, vpi, vci);
        if (!card->vcs[index]) {
-               card->vcs[index] = kmalloc(sizeof(struct vc_map), GFP_KERNEL);
+               card->vcs[index] = kzalloc(sizeof(struct vc_map), GFP_KERNEL);
                if (!card->vcs[index]) {
                        printk("%s: can't alloc vc in open()\n", card->name);
                        up(&card->mutex);
                        return -ENOMEM;
                }
-               memset(card->vcs[index], 0, sizeof(struct vc_map));
-
                card->vcs[index]->card = card;
                card->vcs[index]->index = index;
 
@@ -2926,13 +2920,11 @@ open_card_oam(struct idt77252_dev *card)
                for (vci = 3; vci < 5; vci++) {
                        index = VPCI2VC(card, vpi, vci);
 
-                       vc = kmalloc(sizeof(struct vc_map), GFP_KERNEL);
+                       vc = kzalloc(sizeof(struct vc_map), GFP_KERNEL);
                        if (!vc) {
                                printk("%s: can't alloc vc\n", card->name);
                                return -ENOMEM;
                        }
-                       memset(vc, 0, sizeof(struct vc_map));
-
                        vc->index = index;
                        card->vcs[index] = vc;
 
@@ -2995,12 +2987,11 @@ open_card_ubr0(struct idt77252_dev *card)
 {
        struct vc_map *vc;
 
-       vc = kmalloc(sizeof(struct vc_map), GFP_KERNEL);
+       vc = kzalloc(sizeof(struct vc_map), GFP_KERNEL);
        if (!vc) {
                printk("%s: can't alloc vc\n", card->name);
                return -ENOMEM;
        }
-       memset(vc, 0, sizeof(struct vc_map));
        card->vcs[0] = vc;
        vc->class = SCHED_UBR0;
 
@@ -3695,14 +3686,12 @@ idt77252_init_one(struct pci_dev *pcidev, const struct pci_device_id *id)
                goto err_out_disable_pdev;
        }
 
-       card = kmalloc(sizeof(struct idt77252_dev), GFP_KERNEL);
+       card = kzalloc(sizeof(struct idt77252_dev), GFP_KERNEL);
        if (!card) {
                printk("idt77252-%d: can't allocate private data\n", index);
                err = -ENOMEM;
                goto err_out_disable_pdev;
        }
-       memset(card, 0, sizeof(struct idt77252_dev));
-
        card->revision = revision;
        card->index = index;
        card->pcidev = pcidev;

diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index fe60a59..b9568e1 100644 (file)
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -1482,16 +1482,10 @@ static inline void vcc_table_deallocate(const struct lanai_dev *lanai)
 static inline struct lanai_vcc *new_lanai_vcc(void)
 {
        struct lanai_vcc *lvcc;
-       lvcc = (struct lanai_vcc *) kmalloc(sizeof(*lvcc), GFP_KERNEL);
+       lvcc =  kzalloc(sizeof(*lvcc), GFP_KERNEL);
        if (likely(lvcc != NULL)) {
-               lvcc->vbase = NULL;
-               lvcc->rx.atmvcc = lvcc->tx.atmvcc = NULL;
-               lvcc->nref = 0;
-               memset(&lvcc->stats, 0, sizeof lvcc->stats);
-               lvcc->rx.buf.start = lvcc->tx.buf.start = NULL;
                skb_queue_head_init(&lvcc->tx.backlog);
 #ifdef DEBUG
-               lvcc->tx.unqueue = NULL;
                lvcc->vci = -1;
 #endif
        }

diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index 2c65e82..c491ec4 100644 (file)
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -603,9 +603,8 @@ static int start_rx(struct atm_dev *dev)
 DPRINTK("start_rx\n");
        zatm_dev = ZATM_DEV(dev);
        size = sizeof(struct atm_vcc *)*zatm_dev->chans;
-       zatm_dev->rx_map = (struct atm_vcc **) kmalloc(size,GFP_KERNEL);
+       zatm_dev->rx_map =  kzalloc(size,GFP_KERNEL);
        if (!zatm_dev->rx_map) return -ENOMEM;
-       memset(zatm_dev->rx_map,0,size);
        /* set VPI/VCI split (use all VCIs and give what's left to VPIs) */
        zpokel(zatm_dev,(1 << dev->ci_range.vci_bits)-1,uPD98401_VRR);
        /* prepare free buffer pools */
@@ -951,9 +950,8 @@ static int open_tx_first(struct atm_vcc *vcc)
        skb_queue_head_init(&zatm_vcc->tx_queue);
        init_waitqueue_head(&zatm_vcc->tx_wait);
        /* initialize ring */
-       zatm_vcc->ring = kmalloc(RING_SIZE,GFP_KERNEL);
+       zatm_vcc->ring = kzalloc(RING_SIZE,GFP_KERNEL);
        if (!zatm_vcc->ring) return -ENOMEM;
-       memset(zatm_vcc->ring,0,RING_SIZE);
        loop = zatm_vcc->ring+RING_ENTRIES*RING_WORDS;
        loop[0] = uPD98401_TXPD_V;
        loop[1] = loop[2] = 0;