diff options
| author | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:26:34 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:26:34 +0100 |
| commit | 1cb4f624ea38361b6397966470f0a1bed5532483 (patch) | |
| tree | 418b05ddc854b09d64f7d5ee0c78875e42b5f151 /drivers/media/video/videobuf-dma-contig.c | |
| parent | 444c1953d496d272208902ff7010dc70d1f887f0 (diff) | |
| parent | 2c1f1895ef2aa8f0e5497893eff71304aef332e1 (diff) | |
| download | op-kernel-dev-1cb4f624ea38361b6397966470f0a1bed5532483.zip op-kernel-dev-1cb4f624ea38361b6397966470f0a1bed5532483.tar.gz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into fixes
Diffstat (limited to 'drivers/media/video/videobuf-dma-contig.c')
| -rw-r--r-- | drivers/media/video/videobuf-dma-contig.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/video/videobuf-dma-contig.c b/drivers/media/video/videobuf-dma-contig.c index d25f284..22c0109 100644 --- a/drivers/media/video/videobuf-dma-contig.c +++ b/drivers/media/video/videobuf-dma-contig.c @@ -141,9 +141,11 @@ static int videobuf_dma_contig_user_get(struct videobuf_dma_contig_memory *mem, struct vm_area_struct *vma; unsigned long prev_pfn, this_pfn; unsigned long pages_done, user_address; + unsigned int offset; int ret; - mem->size = PAGE_ALIGN(vb->size); + offset = vb->baddr & ~PAGE_MASK; + mem->size = PAGE_ALIGN(vb->size + offset); mem->is_userptr = 0; ret = -EINVAL; @@ -166,7 +168,7 @@ static int videobuf_dma_contig_user_get(struct videobuf_dma_contig_memory *mem, break; if (pages_done == 0) - mem->dma_handle = this_pfn << PAGE_SHIFT; + mem->dma_handle = (this_pfn << PAGE_SHIFT) + offset; else if (this_pfn != (prev_pfn + 1)) ret = -EFAULT; |
