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| author | Ben Dooks <ben-linux@fluff.org> | 2008-10-21 11:12:00 +0100 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-10-21 11:12:00 +0100 |
| commit | c3380942e6699ed5b3e3f37b49ceb724b7699813 (patch) | |
| tree | 516d791cdfd1c7f99a29f71e1a7bba8f75af96e1 /drivers/dma/dmatest.c | |
| parent | 0ffda6cca2c66e42d0ad65719f58c637ed180b05 (diff) | |
| parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into s3c64xx
Diffstat (limited to 'drivers/dma/dmatest.c')
| -rw-r--r-- | drivers/dma/dmatest.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index a08d1970474..d1e381e35a9 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -325,7 +325,12 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan) struct dmatest_thread *thread; unsigned int i; - dtc = kmalloc(sizeof(struct dmatest_chan), GFP_ATOMIC); + /* Have we already been told about this channel? */ + list_for_each_entry(dtc, &dmatest_channels, node) + if (dtc->chan == chan) + return DMA_DUP; + + dtc = kmalloc(sizeof(struct dmatest_chan), GFP_KERNEL); if (!dtc) { pr_warning("dmatest: No memory for %s\n", chan->dev.bus_id); return DMA_NAK; |