diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/bcm-sba-raid.c | 5 | ||||
| -rw-r--r-- | drivers/dma/edma.c | 9 | ||||
| -rw-r--r-- | drivers/dma/moxart-dma.c | 2 | ||||
| -rw-r--r-- | drivers/dma/nbpfaxi.c | 4 | ||||
| -rw-r--r-- | drivers/dma/omap-dma.c | 2 | ||||
| -rw-r--r-- | drivers/dma/sa11x0-dma.c | 4 | ||||
| -rw-r--r-- | drivers/dma/sh/usb-dmac.c | 2 | ||||
| -rw-r--r-- | drivers/dma/sprd-dma.c | 4 |
8 files changed, 14 insertions, 18 deletions
diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c index 3956a018bf5a..72878ac5c78d 100644 --- a/drivers/dma/bcm-sba-raid.c +++ b/drivers/dma/bcm-sba-raid.c @@ -1499,9 +1499,8 @@ static int sba_prealloc_channel_resources(struct sba_device *sba) for (i = 0; i < sba->max_req; i++) { req = devm_kzalloc(sba->dev, - sizeof(*req) + - sba->max_cmd_per_req * sizeof(req->cmds[0]), - GFP_KERNEL); + struct_size(req, cmds, sba->max_cmd_per_req), + GFP_KERNEL); if (!req) { ret = -ENOMEM; goto fail_free_cmds_pool; diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 85ea92fcea54..9bc722ca8329 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -1074,8 +1074,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg( return NULL; } - edesc = kzalloc(sizeof(*edesc) + sg_len * sizeof(edesc->pset[0]), - GFP_ATOMIC); + edesc = kzalloc(struct_size(edesc, pset, sg_len), GFP_ATOMIC); if (!edesc) return NULL; @@ -1192,8 +1191,7 @@ static struct dma_async_tx_descriptor *edma_prep_dma_memcpy( nslots = 2; } - edesc = kzalloc(sizeof(*edesc) + nslots * sizeof(edesc->pset[0]), - GFP_ATOMIC); + edesc = kzalloc(struct_size(edesc, pset, nslots), GFP_ATOMIC); if (!edesc) return NULL; @@ -1315,8 +1313,7 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic( } } - edesc = kzalloc(sizeof(*edesc) + nslots * sizeof(edesc->pset[0]), - GFP_ATOMIC); + edesc = kzalloc(struct_size(edesc, pset, nslots), GFP_ATOMIC); if (!edesc) return NULL; diff --git a/drivers/dma/moxart-dma.c b/drivers/dma/moxart-dma.c index e1a5c2242f6f..e04499c1f27f 100644 --- a/drivers/dma/moxart-dma.c +++ b/drivers/dma/moxart-dma.c @@ -309,7 +309,7 @@ static struct dma_async_tx_descriptor *moxart_prep_slave_sg( return NULL; } - d = kzalloc(sizeof(*d) + sg_len * sizeof(d->sg[0]), GFP_ATOMIC); + d = kzalloc(struct_size(d, sg, sg_len), GFP_ATOMIC); if (!d) return NULL; diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c index 50559338239b..2f9974ddfbb2 100644 --- a/drivers/dma/nbpfaxi.c +++ b/drivers/dma/nbpfaxi.c @@ -1305,8 +1305,8 @@ static int nbpf_probe(struct platform_device *pdev) cfg = of_device_get_match_data(dev); num_channels = cfg->num_channels; - nbpf = devm_kzalloc(dev, sizeof(*nbpf) + num_channels * - sizeof(nbpf->chan[0]), GFP_KERNEL); + nbpf = devm_kzalloc(dev, struct_size(nbpf, chan, num_channels), + GFP_KERNEL); if (!nbpf) return -ENOMEM; diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c index d21c19822feb..9483000fcf79 100644 --- a/drivers/dma/omap-dma.c +++ b/drivers/dma/omap-dma.c @@ -917,7 +917,7 @@ static struct dma_async_tx_descriptor *omap_dma_prep_slave_sg( } /* Now allocate and setup the descriptor. */ - d = kzalloc(sizeof(*d) + sglen * sizeof(d->sg[0]), GFP_ATOMIC); + d = kzalloc(struct_size(d, sg, sglen), GFP_ATOMIC); if (!d) return NULL; diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c index c7a89c22890e..b31d07c7d93c 100644 --- a/drivers/dma/sa11x0-dma.c +++ b/drivers/dma/sa11x0-dma.c @@ -557,7 +557,7 @@ static struct dma_async_tx_descriptor *sa11x0_dma_prep_slave_sg( } } - txd = kzalloc(sizeof(*txd) + j * sizeof(txd->sg[0]), GFP_ATOMIC); + txd = kzalloc(struct_size(txd, sg, j), GFP_ATOMIC); if (!txd) { dev_dbg(chan->device->dev, "vchan %p: kzalloc failed\n", &c->vc); return NULL; @@ -627,7 +627,7 @@ static struct dma_async_tx_descriptor *sa11x0_dma_prep_dma_cyclic( if (sglen == 0) return NULL; - txd = kzalloc(sizeof(*txd) + sglen * sizeof(txd->sg[0]), GFP_ATOMIC); + txd = kzalloc(struct_size(txd, sg, sglen), GFP_ATOMIC); if (!txd) { dev_dbg(chan->device->dev, "vchan %p: kzalloc failed\n", &c->vc); return NULL; diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index 31a145154e9f..1bb1a8e09025 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -269,7 +269,7 @@ static int usb_dmac_desc_alloc(struct usb_dmac_chan *chan, unsigned int sg_len, struct usb_dmac_desc *desc; unsigned long flags; - desc = kzalloc(sizeof(*desc) + sg_len * sizeof(desc->sg[0]), gfp); + desc = kzalloc(struct_size(desc, sg, sg_len), gfp); if (!desc) return -ENOMEM; diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c index b106e8a60af6..52ebccb483be 100644 --- a/drivers/dma/sprd-dma.c +++ b/drivers/dma/sprd-dma.c @@ -805,8 +805,8 @@ static int sprd_dma_probe(struct platform_device *pdev) return ret; } - sdev = devm_kzalloc(&pdev->dev, sizeof(*sdev) + - sizeof(*dma_chn) * chn_count, + sdev = devm_kzalloc(&pdev->dev, + struct_size(sdev, channels, chn_count), GFP_KERNEL); if (!sdev) return -ENOMEM; |