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dmaengine: usb-dmac: make usb_dmac_get_current_residue unsigned

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The usb_dmac_get_current_residue function used to
take a signed integer as a pos parameter.
The only callers of this function passes an unsigned integer to it.
Therefore to make it obviously safe, let's just make this an unsgined
integer as this is used in pointer arithmetics.

Signed-off-by: Jordy Zomer <jordy@pwning.systems>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210731091939.510816-1-jordy@pwning.systems
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Jordy Zomer 2021-07-31 11:19:38 +02:00 committed by Vinod Koul
parent b60bb6e2bf
commit 5eea6c9712
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/sh/usb-dmac.c
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@ -466,7 +466,7 @@ static int usb_dmac_chan_terminate_all(struct dma_chan *chan)
static unsigned int usb_dmac_get_current_residue(struct usb_dmac_chan *chan,
struct usb_dmac_desc *desc,
int sg_index)
unsigned int sg_index)
{
struct usb_dmac_sg *sg = desc->sg + sg_index;
u32 mem_addr = sg->mem_addr & 0xffffffff;