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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-22 19:34:09 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-22 19:34:09 +0100 |
| commit | f20e3b5fe7ead0615309433260b9784d8da0bbbd (patch) | |
| tree | eabb2e47a0355ac4e8024b7087b4e7cb9f324358 /drivers/dma/dmatest.c | |
| parent | bcbfe664e7af019e698cef2feb85ac2b4f1ac11d (diff) | |
| parent | f030d7b65e4e6399f23de2a41a58d1b607b6bd89 (diff) | |
| download | talos-obmc-linux-f20e3b5fe7ead0615309433260b9784d8da0bbbd.tar.gz talos-obmc-linux-f20e3b5fe7ead0615309433260b9784d8da0bbbd.zip | |
Merge branch 'for-rmk' of git://git.android.com/kernel into devel
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 a08d19704743..d1e381e35a9e 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; |
