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-rw-r--r--drivers/dma/bcm-sba-raid.c5
-rw-r--r--drivers/dma/edma.c9
-rw-r--r--drivers/dma/moxart-dma.c2
-rw-r--r--drivers/dma/nbpfaxi.c4
-rw-r--r--drivers/dma/omap-dma.c2
-rw-r--r--drivers/dma/qcom/bam_dma.c18
-rw-r--r--drivers/dma/qcom/hidma_mgmt.c2
-rw-r--r--drivers/dma/sa11x0-dma.c4
-rw-r--r--drivers/dma/sh/usb-dmac.c2
-rw-r--r--drivers/dma/sprd-dma.c4
10 files changed, 28 insertions, 24 deletions
diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c
index 3956a01..72878ac 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 85ea92f..9bc722c 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 e1a5c22..e04499c1f 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 5055933..2f9974d 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 d21c198..9483000 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/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index d29275b..4a828c1 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -524,6 +524,14 @@ static int bam_alloc_chan(struct dma_chan *chan)
return 0;
}
+static int bam_pm_runtime_get_sync(struct device *dev)
+{
+ if (pm_runtime_enabled(dev))
+ return pm_runtime_get_sync(dev);
+
+ return 0;
+}
+
/**
* bam_free_chan - Frees dma resources associated with specific channel
* @chan: specified channel
@@ -539,7 +547,7 @@ static void bam_free_chan(struct dma_chan *chan)
unsigned long flags;
int ret;
- ret = pm_runtime_get_sync(bdev->dev);
+ ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return;
@@ -720,7 +728,7 @@ static int bam_pause(struct dma_chan *chan)
unsigned long flag;
int ret;
- ret = pm_runtime_get_sync(bdev->dev);
+ ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return ret;
@@ -746,7 +754,7 @@ static int bam_resume(struct dma_chan *chan)
unsigned long flag;
int ret;
- ret = pm_runtime_get_sync(bdev->dev);
+ ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return ret;
@@ -852,7 +860,7 @@ static irqreturn_t bam_dma_irq(int irq, void *data)
if (srcs & P_IRQ)
tasklet_schedule(&bdev->task);
- ret = pm_runtime_get_sync(bdev->dev);
+ ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return ret;
@@ -969,7 +977,7 @@ static void bam_start_dma(struct bam_chan *bchan)
if (!vd)
return;
- ret = pm_runtime_get_sync(bdev->dev);
+ ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return;
diff --git a/drivers/dma/qcom/hidma_mgmt.c b/drivers/dma/qcom/hidma_mgmt.c
index 000c7019..d64edeb 100644
--- a/drivers/dma/qcom/hidma_mgmt.c
+++ b/drivers/dma/qcom/hidma_mgmt.c
@@ -398,7 +398,7 @@ static int __init hidma_mgmt_of_populate_channels(struct device_node *np)
}
of_node_get(child);
new_pdev->dev.of_node = child;
- of_dma_configure(&new_pdev->dev, child);
+ of_dma_configure(&new_pdev->dev, child, true);
/*
* It is assumed that calling of_msi_configure is safe on
* platforms with or without MSI support.
diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c
index c7a89c2..b31d07c 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 31a1451..1bb1a8e 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 b106e8a..52ebccb 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;
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