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authorLen Brown <len.brown@intel.com>2008-10-22 23:57:26 -0400
committerLen Brown <len.brown@intel.com>2008-10-23 00:11:07 -0400
commit057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch)
tree4333e608da237c73ff69b10878025cca96dcb4c8 /drivers/dma/dmatest.c
parent3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
Merge branch 'linus' into test
Conflicts: MAINTAINERS arch/x86/kernel/acpi/boot.c arch/x86/kernel/acpi/sleep.c drivers/acpi/Kconfig drivers/pnp/Makefile drivers/pnp/quirks.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/dma/dmatest.c')
-rw-r--r--drivers/dma/dmatest.c7
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;