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dmaengine: Remove site specific OOM error messages on kzalloc 

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>
hifive-unleashed-5.1
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;