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authorVinod Koul <vinod.koul@intel.com>2016-07-26 18:06:39 +0530
committerMark Brown <broonie@kernel.org>2016-08-01 17:23:37 +0100
commit2392f7fd695246df4fb5f0b5fb88ce37cdb01764 (patch)
treeed57efccf91b56eee22b7f95dc81950600d5c05e /sound
parente7ca8fcd15049b1e48ae2ef1434a68a51ef0ead5 (diff)
downloadlinux-stericsson-2392f7fd695246df4fb5f0b5fb88ce37cdb01764.tar.gz
ASoC: Intel: Skylake: Check list empty while getting module info
Module list can be NULL so check if the list is empty before accessing the list. Signed-off-by: Senthilnathan Veppur <senthilnathanx.veppur@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/intel/skylake/skl-sst-utils.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-sst-utils.c b/sound/soc/intel/skylake/skl-sst-utils.c
index 25fcb796bd86..ddcb52a51854 100644
--- a/sound/soc/intel/skylake/skl-sst-utils.c
+++ b/sound/soc/intel/skylake/skl-sst-utils.c
@@ -123,6 +123,11 @@ int snd_skl_get_module_info(struct skl_sst *ctx, u8 *uuid,
uuid_mod = (uuid_le *)uuid;
+ if (list_empty(&ctx->uuid_list)) {
+ dev_err(ctx->dev, "Module list is empty\n");
+ return -EINVAL;
+ }
+
list_for_each_entry(module, &ctx->uuid_list, list) {
if (uuid_le_cmp(*uuid_mod, module->uuid) == 0) {
dfw_config->module_id = module->id;