[PATCH v2 5/6] dma/imx-sdma: use num_events to validate event_id0
From: Richard Zhao <hidden>
Date: 2012-01-13 03:11:02
Also in:
lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
event number is not always 32. use num_events for checking instead. Signed-off-by: Richard Zhao <redacted> Acked-by: Shawn Guo <redacted> --- 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); }
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1.7.5.4