[PATCH] ASoC: Intel: Skylake: fix memory leak of module on error exit path

From: Colin King
Date: Thu Sep 29 2016 - 13:33:04 EST


From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Currently there is a memory leak of module on a ENOMEM return path.
Fix this by kfree'ing module before returning.

Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
sound/soc/intel/skylake/skl-sst-utils.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/intel/skylake/skl-sst-utils.c b/sound/soc/intel/skylake/skl-sst-utils.c
index d3120ba..8dc0303 100644
--- a/sound/soc/intel/skylake/skl-sst-utils.c
+++ b/sound/soc/intel/skylake/skl-sst-utils.c
@@ -354,8 +354,10 @@ int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw,
module->max_instance = mod_entry->instance_max_count;
size = sizeof(int) * mod_entry->instance_max_count;
module->instance_id = devm_kzalloc(ctx->dev, size, GFP_KERNEL);
- if (!module->instance_id)
+ if (!module->instance_id) {
+ kfree(module);
return -ENOMEM;
+ }

list_add_tail(&module->list, &skl->uuid_list);

--
2.9.3