Patch "ASoC: Intel: Skylake: Fix mem leak when parsing UUIDs fails" has been added to the 4.19-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    ASoC: Intel: Skylake: Fix mem leak when parsing UUIDs fails

to the 4.19-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     asoc-intel-skylake-fix-mem-leak-when-parsing-uuids-f.patch
and it can be found in the queue-4.19 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 797dd3baaa346cbc9e06c386528ba0ce85a9c88d
Author: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
Date:   Thu Oct 26 10:25:58 2023 +0200

    ASoC: Intel: Skylake: Fix mem leak when parsing UUIDs fails
    
    [ Upstream commit 168d97844a61db302dec76d44406e9d4d7106b8e ]
    
    Error path in snd_skl_parse_uuids() shall free last allocated module if
    its instance_id allocation fails.
    
    Fixes: f8e066521192 ("ASoC: Intel: Skylake: Fix uuid_module memory leak in failure case")
    Signed-off-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
    Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@xxxxxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20231026082558.1864910-1-amadeuszx.slawinski@xxxxxxxxxxxxxxx
    Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/sound/soc/intel/skylake/skl-sst-utils.c b/sound/soc/intel/skylake/skl-sst-utils.c
index 2ae4056178762..9e1e9bac17905 100644
--- a/sound/soc/intel/skylake/skl-sst-utils.c
+++ b/sound/soc/intel/skylake/skl-sst-utils.c
@@ -317,6 +317,7 @@ int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw,
 		module->instance_id = devm_kzalloc(ctx->dev, size, GFP_KERNEL);
 		if (!module->instance_id) {
 			ret = -ENOMEM;
+			kfree(module);
 			goto free_uuid_list;
 		}