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authorLinus Walleij <linus.walleij@linaro.org>2013-04-04 00:18:36 +0400
committerLinus Walleij <linus.walleij@linaro.org>2013-04-04 00:18:36 +0400
commit6a7b3e970426f4bc2a8d52f81a4fda6595a9f052 (patch)
tree055765564c839e456fbe4c65c8cd2c4b00d731b7 /arch/arm/mach-davinci/dma.c
parent661462f4c6d3c9ae0bac193c65936ebfac4c95b4 (diff)
parent07961ac7c0ee8b546658717034fe692fd12eefa9 (diff)
downloadlinux-6a7b3e970426f4bc2a8d52f81a4fda6595a9f052.tar.xz
Merge tag 'v3.9-rc5' into devel
Linux 3.9-rc5 Conflicts: drivers/pinctrl/pinconf.c
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);