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authorPierre-Louis Bossart2024-04-26 10:29:39 -0500
committerMark Brown2024-04-29 23:48:56 +0900
commitfbd741f0993203d07b2b6562d68d1e5e4745b59b (patch)
tree793d0c56f62d297c6f05962ee2ea58c0fc735161 /sound
parente8a6a5ad73acbafd98e8fd3f0cbf6e379771bb76 (diff)
ASoC: cs35l56: fix usages of device_get_named_child_node()
The documentation for device_get_named_child_node() mentions this important point: " The caller is responsible for calling fwnode_handle_put() on the returned fwnode pointer. " Add fwnode_handle_put() to avoid leaked references. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20240426152939.38471-1-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/cs35l56.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c
index 6331b8c6136e..4986e78105da 100644
--- a/sound/soc/codecs/cs35l56.c
+++ b/sound/soc/codecs/cs35l56.c
@@ -1360,6 +1360,7 @@ static int cs35l56_try_get_broken_sdca_spkid_gpio(struct cs35l56_private *cs35l5
"spk-id-gpios", ACPI_TYPE_PACKAGE, &obj);
if (ret) {
dev_dbg(cs35l56->base.dev, "Could not get spk-id-gpios package: %d\n", ret);
+ fwnode_handle_put(af01_fwnode);
return -ENOENT;
}
@@ -1367,6 +1368,7 @@ static int cs35l56_try_get_broken_sdca_spkid_gpio(struct cs35l56_private *cs35l5
if (obj->package.count != 4) {
dev_warn(cs35l56->base.dev, "Unexpected spk-id element count %d\n",
obj->package.count);
+ fwnode_handle_put(af01_fwnode);
return -ENOENT;
}
@@ -1381,6 +1383,7 @@ static int cs35l56_try_get_broken_sdca_spkid_gpio(struct cs35l56_private *cs35l5
*/
ret = acpi_dev_add_driver_gpios(adev, cs35l56_af01_spkid_gpios_mapping);
if (ret) {
+ fwnode_handle_put(af01_fwnode);
return dev_err_probe(cs35l56->base.dev, ret,
"Failed to add gpio mapping to AF01\n");
}
@@ -1388,14 +1391,17 @@ static int cs35l56_try_get_broken_sdca_spkid_gpio(struct cs35l56_private *cs35l5
ret = devm_add_action_or_reset(cs35l56->base.dev,
cs35l56_acpi_dev_release_driver_gpios,
adev);
- if (ret)
+ if (ret) {
+ fwnode_handle_put(af01_fwnode);
return ret;
+ }
dev_dbg(cs35l56->base.dev, "Added spk-id-gpios mapping to AF01\n");
}
desc = fwnode_gpiod_get_index(af01_fwnode, "spk-id", 0, GPIOD_IN, NULL);
if (IS_ERR(desc)) {
+ fwnode_handle_put(af01_fwnode);
ret = PTR_ERR(desc);
return dev_err_probe(cs35l56->base.dev, ret, "Get GPIO from AF01 failed\n");
}
@@ -1404,9 +1410,12 @@ static int cs35l56_try_get_broken_sdca_spkid_gpio(struct cs35l56_private *cs35l5
gpiod_put(desc);
if (ret < 0) {
+ fwnode_handle_put(af01_fwnode);
dev_err_probe(cs35l56->base.dev, ret, "Error reading spk-id GPIO\n");
return ret;
- }
+ }
+
+ fwnode_handle_put(af01_fwnode);
dev_info(cs35l56->base.dev, "Got spk-id from AF01\n");