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usb: dwc3: core: switch event buffer allocation to devm_kzalloc()

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The rest of the driver is using devm_kzalloc() where possible
and this patch is just making event buffer allocation follow
the example.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2012-10-11 13:48:36 +03:00
parent ddffeb8c4d
commit 380f0d2843
1 changed files with 3 additions and 5 deletions
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8
drivers/usb/dwc3/core.c
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@ -169,7 +169,6 @@ static void dwc3_free_one_event_buffer(struct dwc3 *dwc,
struct dwc3_event_buffer *evt)
{
dma_free_coherent(dwc->dev, evt->length, evt->buf, evt->dma);
kfree(evt);
}
/**
@ -185,7 +184,7 @@ dwc3_alloc_one_event_buffer(struct dwc3 *dwc, unsigned length)
{
struct dwc3_event_buffer *evt;
evt = kzalloc(sizeof(*evt), GFP_KERNEL);
evt = devm_kzalloc(dwc->dev, sizeof(*evt), GFP_KERNEL);
if (!evt)
return ERR_PTR(-ENOMEM);
@ -215,8 +214,6 @@ static void dwc3_free_event_buffers(struct dwc3 *dwc)
if (evt)
dwc3_free_one_event_buffer(dwc, evt);
}
kfree(dwc->ev_buffs);
}
/**
@ -235,7 +232,8 @@ static int __devinit dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length)
num = DWC3_NUM_INT(dwc->hwparams.hwparams1);
dwc->num_event_buffers = num;
dwc->ev_buffs = kzalloc(sizeof(*dwc->ev_buffs) * num, GFP_KERNEL);
dwc->ev_buffs = devm_kzalloc(dwc->dev, sizeof(*dwc->ev_buffs) * num,
GFP_KERNEL);
if (!dwc->ev_buffs) {
dev_err(dwc->dev, "can't allocate event buffers array\n");
return -ENOMEM;