[PATCH v2 2/3] ARM: OMAP: dma: Fix the dma_chan_link_map init order

Rajendra Nayak rnayak at ti.com
Thu Jun 13 10:17:10 EDT 2013


From: R Sricharan <r.sricharan at ti.com>

Init dma_chan_link_map[lch] *after* its memset to 0.

Signed-off-by: R Sricharan <r.sricharan at ti.com>
---
 arch/arm/plat-omap/dma.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 2f99331..8a71f75 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -894,11 +894,12 @@ void omap_start_dma(int lch)
 		int next_lch, cur_lch;
 		char dma_chan_link_map[MAX_LOGICAL_DMA_CH_COUNT];
 
-		dma_chan_link_map[lch] = 1;
 		/* Set the link register of the first channel */
 		enable_lnk(lch);
 
 		memset(dma_chan_link_map, 0, sizeof(dma_chan_link_map));
+		dma_chan_link_map[lch] = 1;
+
 		cur_lch = dma_chan[lch].next_lch;
 		do {
 			next_lch = dma_chan[cur_lch].next_lch;
-- 
1.7.9.5




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