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authorJulia Lawall <julia@diku.dk>2011-08-20 11:02:00 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-23 02:29:16 +0400
commit178b279b645a14ca8ea01e4ea818c88681a31b07 (patch)
tree903a9072325750cb2a09af3019c9382664bea0be /sound/soc/fsl/p1022_ds.c
parent5006b313283c56cfda498513b7091692bcd74433 (diff)
downloadlinux-178b279b645a14ca8ea01e4ea818c88681a31b07.tar.xz
sound/soc/fsl/p1022_ds.c: add missing of_node_put
dma_channel_np has been accessed at this point, so decrease its reference count before leaving the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x; expression E1!=0,E2,E3,E4; statement S; iterator I; @@ ( if (...) { ... when != of_node_put(x) when != x = E3 when != E3 = x * return ...; } ... when != x = E2 when != I(...,x,...) S if (...) { ... when != x = E4 of_node_put(x); ... return ...; } ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/fsl/p1022_ds.c')
-rw-r--r--sound/soc/fsl/p1022_ds.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/fsl/p1022_ds.c b/sound/soc/fsl/p1022_ds.c
index 8fa4d5f8eda1..fcb862eb0c73 100644
--- a/sound/soc/fsl/p1022_ds.c
+++ b/sound/soc/fsl/p1022_ds.c
@@ -297,8 +297,10 @@ static int get_dma_channel(struct device_node *ssi_np,
* dai->platform name should already point to an allocated buffer.
*/
ret = of_address_to_resource(dma_channel_np, 0, &res);
- if (ret)
+ if (ret) {
+ of_node_put(dma_channel_np);
return ret;
+ }
snprintf((char *)dai->platform_name, DAI_NAME_SIZE, "%llx.%s",
(unsigned long long) res.start, dma_channel_np->name);