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V4L/DVB (4685): Fix compiler warning in drivers/media/video/video-buf.c

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Using a double cast to avoid compiler warnings when building for PAE. 
Compiler doesn't like direct casting of a 32 bit ptr to 64 bit integer.

Signed-off-by: Martin J. Bligh <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Sujoy Gupta 2006-09-30 06:55:29 -03:00 • committed by Mauro Carvalho Chehab
commit 6eb32a792e
1 changed files with 6 additions and 1 deletions
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7
drivers/media/video/video-buf.c
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@ -365,7 +365,12 @@ videobuf_iolock(struct videobuf_queue* q, struct videobuf_buffer *vb,
if (NULL == fbuf)
return -EINVAL;
/* FIXME: need sanity checks for vb->boff */
bus = (dma_addr_t)fbuf->base + vb->boff;
/*
* Using a double cast to avoid compiler warnings when
* building for PAE. Compiler doesn't like direct casting
* of a 32 bit ptr to 64 bit integer.
*/
bus = (dma_addr_t)(unsigned long)fbuf->base + vb->boff;
pages = PAGE_ALIGN(vb->size) >> PAGE_SHIFT;
err = videobuf_dma_init_overlay(&vb->dma,PCI_DMA_FROMDEVICE,
bus, pages);