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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-01 12:01:10 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-01 12:01:10 -0700
commitef99f3aee9641d10a7c80d4803d2f0f004c797ca (patch)
tree83f14ccef66db48fc4178bd8b973462006de86b8 /arch/arm/mach-davinci/dma.c
parentcb06ff102e2d79a82cf780aa5e6947b2e0529ac0 (diff)
parent07961ac7c0ee8b546658717034fe692fd12eefa9 (diff)
Merge 3.9-rc5 into tty-next
We need the fixes here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mach-davinci/dma.c')
-rw-r--r--arch/arm/mach-davinci/dma.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index a685e9706b7b..45b7c71d9cc1 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -743,6 +743,9 @@ EXPORT_SYMBOL(edma_free_channel);
*/
int edma_alloc_slot(unsigned ctlr, int slot)
{
+ if (!edma_cc[ctlr])
+ return -EINVAL;
+
if (slot >= 0)
slot = EDMA_CHAN_SLOT(slot);