[PATCH 5/6] dma/imx-sdma: use num_events to validate event_id0
Richard Zhao
richard.zhao at linaro.org
Tue Jan 10 02:01:49 EST 2012
event number is not always 32. use num_events for checking instead.
Signed-off-by: Richard Zhao <richard.zhao at linaro.org>
---
drivers/dma/imx-sdma.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 015d93f..22fd561 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -723,7 +723,7 @@ static int sdma_config_channel(struct sdma_channel *sdmac)
sdmac->per_addr = 0;
if (sdmac->event_id0) {
- if (sdmac->event_id0 > 32)
+ if (sdmac->event_id0 >= sdmac->sdma->num_events)
return -EINVAL;
sdma_event_enable(sdmac, sdmac->event_id0);
}
--
1.7.5.4
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