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dmaengine: Remove site specific OOM error messages on kzalloc

Browse source 
If kzalloc() fails it will issue it's own error message including
a dump_stack(). So remove the site specific error messages.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Peter Griffin 2016-06-07 18:38:41 +01:00 committed by Vinod Koul
parent 71f7e6cc55
commit aef94fea97
17 changed files with 28 additions and 84 deletions
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10
drivers/dma/amba-pl08x.c
View file

@ -1443,8 +1443,6 @@ static struct dma_async_tx_descriptor *pl08x_prep_dma_memcpy(
dsg = kzalloc(sizeof(struct pl08x_sg), GFP_NOWAIT);
if (!dsg) {
pl08x_free_txd(pl08x, txd);
dev_err(&pl08x->adev->dev, "%s no memory for pl080 sg\n",
__func__);
return NULL;
}
list_add_tail(&dsg->node, &txd->dsg_list);
@ -1901,11 +1899,8 @@ static int pl08x_dma_init_virtual_channels(struct pl08x_driver_data *pl08x,
*/
for (i = 0; i < channels; i++) {
chan = kzalloc(sizeof(*chan), GFP_KERNEL);
if (!chan) {
dev_err(&pl08x->adev->dev,
"%s no memory for channel\n", __func__);
if (!chan)
return -ENOMEM;
}
chan->host = pl08x;
chan->state = PL08X_CHAN_IDLE;
@ -2360,9 +2355,6 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id)
pl08x->phy_chans = kzalloc((vd->channels * sizeof(*pl08x->phy_chans)),
GFP_KERNEL);
if (!pl08x->phy_chans) {
dev_err(&adev->dev, "%s failed to allocate "
"physical channel holders\n",
__func__);
ret = -ENOMEM;
goto out_no_phychans;
}

2
drivers/dma/bestcomm/bestcomm.c
View file

@ -397,8 +397,6 @@ static int mpc52xx_bcom_probe(struct platform_device *op)
/* Get a clean struct */
bcom_eng = kzalloc(sizeof(struct bcom_engine), GFP_KERNEL);
if (!bcom_eng) {
printk(KERN_ERR DRIVER_NAME ": "
"Can't allocate state structure\n");
rv = -ENOMEM;
goto error_sramclean;
}

16
drivers/dma/edma.c
View file

@ -1069,10 +1069,8 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
edesc = kzalloc(sizeof(*edesc) + sg_len * sizeof(edesc->pset[0]),
GFP_ATOMIC);
if (!edesc) {
dev_err(dev, "%s: Failed to allocate a descriptor\n", __func__);
if (!edesc)
return NULL;
}
edesc->pset_nr = sg_len;
edesc->residue = 0;
@ -1173,10 +1171,8 @@ static struct dma_async_tx_descriptor *edma_prep_dma_memcpy(
edesc = kzalloc(sizeof(*edesc) + nslots * sizeof(edesc->pset[0]),
GFP_ATOMIC);
if (!edesc) {
dev_dbg(dev, "Failed to allocate a descriptor\n");
if (!edesc)
return NULL;
}
edesc->pset_nr = nslots;
edesc->residue = edesc->residue_stat = len;
@ -1298,10 +1294,8 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic(
edesc = kzalloc(sizeof(*edesc) + nslots * sizeof(edesc->pset[0]),
GFP_ATOMIC);
if (!edesc) {
dev_err(dev, "%s: Failed to allocate a descriptor\n", __func__);
if (!edesc)
return NULL;
}
edesc->cyclic = 1;
edesc->pset_nr = nslots;
@ -2207,10 +2201,8 @@ static int edma_probe(struct platform_device *pdev)
return ret;
ecc = devm_kzalloc(dev, sizeof(*ecc), GFP_KERNEL);
if (!ecc) {
dev_err(dev, "Can't allocate controller\n");
if (!ecc)
return -ENOMEM;
}
ecc->dev = dev;
ecc->id = pdev->id;

2
drivers/dma/fsldma.c
View file

@ -1234,7 +1234,6 @@ static int fsl_dma_chan_probe(struct fsldma_device *fdev,
/* alloc channel */
chan = kzalloc(sizeof(*chan), GFP_KERNEL);
if (!chan) {
dev_err(fdev->dev, "no free memory for DMA channels!\n");
err = -ENOMEM;
goto out_return;
}
@ -1340,7 +1339,6 @@ static int fsldma_of_probe(struct platform_device *op)
fdev = kzalloc(sizeof(*fdev), GFP_KERNEL);
if (!fdev) {
dev_err(&op->dev, "No enough memory for 'priv'\n");
err = -ENOMEM;
goto out_return;
}

10
drivers/dma/k3dma.c
View file

@ -425,10 +425,9 @@ static struct dma_async_tx_descriptor *k3_dma_prep_memcpy(
num = DIV_ROUND_UP(len, DMA_MAX_SIZE);
ds = kzalloc(sizeof(*ds) + num * sizeof(ds->desc_hw[0]), GFP_ATOMIC);
if (!ds) {
dev_dbg(chan->device->dev, "vchan %p: kzalloc fail\n", &c->vc);
if (!ds)
return NULL;
}
ds->desc_hw_lli = __virt_to_phys((unsigned long)&ds->desc_hw[0]);
ds->size = len;
ds->desc_num = num;
@ -481,10 +480,9 @@ static struct dma_async_tx_descriptor *k3_dma_prep_slave_sg(
}
ds = kzalloc(sizeof(*ds) + num * sizeof(ds->desc_hw[0]), GFP_ATOMIC);
if (!ds) {
dev_dbg(chan->device->dev, "vchan %p: kzalloc fail\n", &c->vc);
if (!ds)
return NULL;
}
ds->desc_hw_lli = __virt_to_phys((unsigned long)&ds->desc_hw[0]);
ds->desc_num = num;
num = 0;

5
drivers/dma/mmp_tdma.c
View file

@ -551,10 +551,9 @@ static int mmp_tdma_chan_init(struct mmp_tdma_device *tdev,
/* alloc channel */
tdmac = devm_kzalloc(tdev->dev, sizeof(*tdmac), GFP_KERNEL);
if (!tdmac) {
dev_err(tdev->dev, "no free memory for DMA channels!\n");
if (!tdmac)
return -ENOMEM;
}
if (irq)
tdmac->irq = irq;
tdmac->dev = tdev->dev;

4
drivers/dma/moxart-dma.c
View file

@ -574,10 +574,8 @@ static int moxart_probe(struct platform_device *pdev)
struct moxart_dmadev *mdc;
mdc = devm_kzalloc(dev, sizeof(*mdc), GFP_KERNEL);
if (!mdc) {
dev_err(dev, "can't allocate DMA container\n");
if (!mdc)
return -ENOMEM;
}
irq = irq_of_parse_and_map(node, 0);
if (irq == NO_IRQ) {

5
drivers/dma/nbpfaxi.c
View file

@ -1300,10 +1300,9 @@ static int nbpf_probe(struct platform_device *pdev)
nbpf = devm_kzalloc(dev, sizeof(*nbpf) + num_channels *
sizeof(nbpf->chan[0]), GFP_KERNEL);
if (!nbpf) {
dev_err(dev, "Memory allocation failed\n");
if (!nbpf)
return -ENOMEM;
}
dma_dev = &nbpf->dma_dev;
dma_dev->dev = dev;

5
drivers/dma/pl330.c
View file

@ -2828,10 +2828,8 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
/* Allocate a new DMAC and its Channels */
pl330 = devm_kzalloc(&adev->dev, sizeof(*pl330), GFP_KERNEL);
if (!pl330) {
dev_err(&adev->dev, "unable to allocate mem\n");
if (!pl330)
return -ENOMEM;
}
pd = &pl330->ddma;
pd->dev = &adev->dev;
@ -2890,7 +2888,6 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
pl330->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL);
if (!pl330->peripherals) {
ret = -ENOMEM;
dev_err(&adev->dev, "unable to allocate pl330->peripherals\n");
goto probe_err2;
}

2
drivers/dma/ppc4xx/adma.c
View file

@ -4084,7 +4084,6 @@ static int ppc440spe_adma_probe(struct platform_device *ofdev)
/* create a device */
adev = kzalloc(sizeof(*adev), GFP_KERNEL);
if (!adev) {
dev_err(&ofdev->dev, "failed to allocate device\n");
initcode = PPC_ADMA_INIT_ALLOC;
ret = -ENOMEM;
goto err_adev_alloc;
@ -4145,7 +4144,6 @@ static int ppc440spe_adma_probe(struct platform_device *ofdev)
/* create a channel */
chan = kzalloc(sizeof(*chan), GFP_KERNEL);
if (!chan) {
dev_err(&ofdev->dev, "can't allocate channel structure\n");
initcode = PPC_ADMA_INIT_CHANNEL;
ret = -ENOMEM;
goto err_chan_alloc;

5
drivers/dma/s3c24xx-dma.c
View file

@ -1101,11 +1101,8 @@ static int s3c24xx_dma_init_virtual_channels(struct s3c24xx_dma_engine *s3cdma,
*/
for (i = 0; i < channels; i++) {
chan = devm_kzalloc(dmadev->dev, sizeof(*chan), GFP_KERNEL);
if (!chan) {
dev_err(dmadev->dev,
"%s no memory for channel\n", __func__);
if (!chan)
return -ENOMEM;
}
chan->id = i;
chan->host = s3cdma;

9
drivers/dma/sh/shdmac.c
View file

@ -532,11 +532,8 @@ static int sh_dmae_chan_probe(struct sh_dmae_device *shdev, int id,
sh_chan = devm_kzalloc(sdev->dma_dev.dev, sizeof(struct sh_dmae_chan),
GFP_KERNEL);
if (!sh_chan) {
dev_err(sdev->dma_dev.dev,
"No free memory for allocating dma channels!\n");
if (!sh_chan)
return -ENOMEM;
}
schan = &sh_chan->shdma_chan;
schan->max_xfer_len = SH_DMA_TCR_MAX + 1;
@ -732,10 +729,8 @@ static int sh_dmae_probe(struct platform_device *pdev)
shdev = devm_kzalloc(&pdev->dev, sizeof(struct sh_dmae_device),
GFP_KERNEL);
if (!shdev) {
dev_err(&pdev->dev, "Not enough memory\n");
if (!shdev)
return -ENOMEM;
}
dma_dev = &shdev->shdma_dev.dma_dev;

9
drivers/dma/sh/sudmac.c
View file

@ -245,11 +245,8 @@ static int sudmac_chan_probe(struct sudmac_device *su_dev, int id, int irq,
int err;
sc = devm_kzalloc(&pdev->dev, sizeof(struct sudmac_chan), GFP_KERNEL);
if (!sc) {
dev_err(sdev->dma_dev.dev,
"No free memory for allocating dma channels!\n");
if (!sc)
return -ENOMEM;
}
schan = &sc->shdma_chan;
schan->max_xfer_len = 64 * 1024 * 1024 - 1;
@ -349,10 +346,8 @@ static int sudmac_probe(struct platform_device *pdev)
err = -ENOMEM;
su_dev = devm_kzalloc(&pdev->dev, sizeof(struct sudmac_device),
GFP_KERNEL);
if (!su_dev) {
dev_err(&pdev->dev, "Not enough memory\n");
if (!su_dev)
return err;
}
dma_dev = &su_dev->shdma_dev.dma_dev;

5
drivers/dma/sirf-dma.c
View file

@ -854,10 +854,9 @@ static int sirfsoc_dma_probe(struct platform_device *op)
int ret, i;
sdma = devm_kzalloc(dev, sizeof(*sdma), GFP_KERNEL);
if (!sdma) {
dev_err(dev, "Memory exhausted!\n");
if (!sdma)
return -ENOMEM;
}
data = (struct sirfsoc_dmadata *)
(of_match_device(op->dev.driver->of_match_table,
&op->dev)->data);

4
drivers/dma/ste_dma40.c
View file

@ -3237,10 +3237,8 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
(num_phy_chans + num_log_chans + num_memcpy_chans) *
sizeof(struct d40_chan), GFP_KERNEL);
if (base == NULL) {
d40_err(&pdev->dev, "Out of memory\n");
if (base == NULL)
goto failure;
}
base->rev = rev;
base->clk = clk;

11
drivers/dma/tegra20-apb-dma.c
View file

@ -300,10 +300,8 @@ static struct tegra_dma_desc *tegra_dma_desc_get(
/* Allocate DMA desc */
dma_desc = kzalloc(sizeof(*dma_desc), GFP_NOWAIT);
if (!dma_desc) {
dev_err(tdc2dev(tdc), "dma_desc alloc failed\n");
if (!dma_desc)
return NULL;
}
dma_async_tx_descriptor_init(&dma_desc->txd, &tdc->dma_chan);
dma_desc->txd.tx_submit = tegra_dma_tx_submit;
@ -340,8 +338,7 @@ static struct tegra_dma_sg_req *tegra_dma_sg_req_get(
spin_unlock_irqrestore(&tdc->lock, flags);
sg_req = kzalloc(sizeof(struct tegra_dma_sg_req), GFP_NOWAIT);
if (!sg_req)
dev_err(tdc2dev(tdc), "sg_req alloc failed\n");
return sg_req;
}
@ -1319,10 +1316,8 @@ static int tegra_dma_probe(struct platform_device *pdev)
tdma = devm_kzalloc(&pdev->dev, sizeof(*tdma) + cdata->nr_channels *
sizeof(struct tegra_dma_channel), GFP_KERNEL);
if (!tdma) {
dev_err(&pdev->dev, "Error: memory allocation failed\n");
if (!tdma)
return -ENOMEM;
}
tdma->dev = &pdev->dev;
tdma->chip_data = cdata;

8
drivers/dma/timb_dma.c
View file

@ -337,18 +337,14 @@ static struct timb_dma_desc *td_alloc_init_desc(struct timb_dma_chan *td_chan)
int err;
td_desc = kzalloc(sizeof(struct timb_dma_desc), GFP_KERNEL);
if (!td_desc) {
dev_err(chan2dev(chan), "Failed to alloc descriptor\n");
if (!td_desc)
goto out;
}
td_desc->desc_list_len = td_chan->desc_elems * TIMB_DMA_DESC_SIZE;
td_desc->desc_list = kzalloc(td_desc->desc_list_len, GFP_KERNEL);
if (!td_desc->desc_list) {
dev_err(chan2dev(chan), "Failed to alloc descriptor\n");
if (!td_desc->desc_list)
goto err;
}
dma_async_tx_descriptor_init(&td_desc->txd, chan);
td_desc->txd.tx_submit = td_tx_submit;