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[media] vb2: Fix allocation size of dma_parms

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When allocating memory to hold the device dma parameters in
vb2_dma_contig_set_max_seg_size(), the requested size is by mistake only
the size of a pointer. Request the correct size instead.

Fixes: 3f03396918 ("media: vb2-dma-contig: add helper for setting dma max seg size")

Signed-off-by: Vincent Stehlé <[email protected]>
Cc: Sylwester Nawrocki <[email protected]>
Acked-by: Marek Szyprowski <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Vincent Stehlé 2016-07-18 14:54:04 -03:00 • committed by Mauro Carvalho Chehab
commit 6cb164f551
1 changed files with 1 additions and 1 deletions
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2
drivers/media/v4l2-core/videobuf2-dma-contig.c
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@ -749,7 +749,7 @@ EXPORT_SYMBOL_GPL(vb2_dma_contig_memops);
int vb2_dma_contig_set_max_seg_size(struct device *dev, unsigned int size)
{
if (!dev->dma_parms) {
dev->dma_parms = kzalloc(sizeof(dev->dma_parms), GFP_KERNEL);
dev->dma_parms = kzalloc(sizeof(*dev->dma_parms), GFP_KERNEL);
if (!dev->dma_parms)
return -ENOMEM;
}