hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ASoC: hdac_hdmi: use devm_kzalloc for all structures 

Loading/unloading modules exposes issues with memory allocation, which
is a mix of devm_kzalloc and manual kzalloc. Move to devm_k routines
everywhere to simplify all this.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2019-02-08 17:26:53 -06:00 committed by Mark Brown
parent 49ff8cfb17
commit c7ba4e5396
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 18 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

87
sound/soc/codecs/hdac_hdmi.c
View File

@ -1176,13 +1176,15 @@ static int hdac_hdmi_add_cvt(struct hdac_device *hdev, hda_nid_t nid)
struct hdac_hdmi_cvt *cvt;
char name[NAME_SIZE];
cvt = kzalloc(sizeof(*cvt), GFP_KERNEL);
cvt = devm_kzalloc(&hdev->dev, sizeof(*cvt), GFP_KERNEL);
if (!cvt)
return -ENOMEM;
cvt->nid = nid;
sprintf(name, "cvt %d", cvt->nid);
cvt->name = kstrdup(name, GFP_KERNEL);
cvt->name = devm_kstrdup(&hdev->dev, name, GFP_KERNEL);
if (!cvt->name)
return -ENOMEM;
list_add_tail(&cvt->head, &hdmi->cvt_list);
hdmi->num_cvt++;
@ -1287,8 +1289,8 @@ static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin,
mutex_unlock(&hdmi->pin_mutex);
}
static int hdac_hdmi_add_ports(struct hdac_hdmi_priv *hdmi,
struct hdac_hdmi_pin *pin)
static int hdac_hdmi_add_ports(struct hdac_device *hdev,
struct hdac_hdmi_pin *pin)
{
struct hdac_hdmi_port *ports;
int max_ports = HDA_MAX_PORTS;
@ -1300,7 +1302,7 @@ static int hdac_hdmi_add_ports(struct hdac_hdmi_priv *hdmi,
* implemented.
*/
ports = kcalloc(max_ports, sizeof(*ports), GFP_KERNEL);
ports = devm_kcalloc(&hdev->dev, max_ports, sizeof(*ports), GFP_KERNEL);
if (!ports)
return -ENOMEM;
@ -1319,14 +1321,14 @@ static int hdac_hdmi_add_pin(struct hdac_device *hdev, hda_nid_t nid)
struct hdac_hdmi_pin *pin;
int ret;
pin = kzalloc(sizeof(*pin), GFP_KERNEL);
pin = devm_kzalloc(&hdev->dev, sizeof(*pin), GFP_KERNEL);
if (!pin)
return -ENOMEM;
pin->nid = nid;
pin->mst_capable = false;
pin->hdev = hdev;
ret = hdac_hdmi_add_ports(hdmi, pin);
ret = hdac_hdmi_add_ports(hdev, pin);
if (ret < 0)
return ret;
@ -1468,8 +1470,6 @@ static int hdac_hdmi_parse_and_map_nid(struct hdac_device *hdev,
{
hda_nid_t nid;
int i, num_nodes;
struct hdac_hdmi_cvt *temp_cvt, *cvt_next;
struct hdac_hdmi_pin *temp_pin, *pin_next;
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
int ret;
@ -1497,51 +1497,35 @@ static int hdac_hdmi_parse_and_map_nid(struct hdac_device *hdev,
case AC_WID_AUD_OUT:
ret = hdac_hdmi_add_cvt(hdev, nid);
if (ret < 0)
goto free_widgets;
return ret;
break;
case AC_WID_PIN:
ret = hdac_hdmi_add_pin(hdev, nid);
if (ret < 0)
goto free_widgets;
return ret;
break;
}
}
if (!hdmi->num_pin || !hdmi->num_cvt) {
ret = -EIO;
goto free_widgets;
dev_err(&hdev->dev, "Bad pin/cvt setup in %s\n", __func__);
return ret;
}
ret = hdac_hdmi_create_dais(hdev, dais, hdmi, hdmi->num_cvt);
if (ret) {
dev_err(&hdev->dev, "Failed to create dais with err: %d\n",
ret);
goto free_widgets;
ret);
return ret;
}
*num_dais = hdmi->num_cvt;
ret = hdac_hdmi_init_dai_map(hdev);
if (ret < 0)
goto free_widgets;
return ret;
free_widgets:
list_for_each_entry_safe(temp_cvt, cvt_next, &hdmi->cvt_list, head) {
list_del(&temp_cvt->head);
kfree(temp_cvt->name);
kfree(temp_cvt);
}
list_for_each_entry_safe(temp_pin, pin_next, &hdmi->pin_list, head) {
for (i = 0; i < temp_pin->num_ports; i++)
temp_pin->ports[i].pin = NULL;
kfree(temp_pin->ports);
list_del(&temp_pin->head);
kfree(temp_pin);
}
dev_err(&hdev->dev, "Failed to init DAI map with err: %d\n",
ret);
return ret;
}
@ -1782,7 +1766,7 @@ int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device,
* this is a new PCM device, create new pcm and
* add to the pcm list
*/
pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
pcm = devm_kzalloc(&hdev->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->pcm_id = device;
@ -1798,7 +1782,6 @@ int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device,
dev_err(&hdev->dev,
"chmap control add failed with err: %d for pcm: %d\n",
err, device);
kfree(pcm);
return err;
}
}
@ -2075,42 +2058,8 @@ static int hdac_hdmi_dev_probe(struct hdac_device *hdev)
static int hdac_hdmi_dev_remove(struct hdac_device *hdev)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pin *pin, *pin_next;
struct hdac_hdmi_cvt *cvt, *cvt_next;
struct hdac_hdmi_pcm *pcm, *pcm_next;
struct hdac_hdmi_port *port, *port_next;
int i;
snd_hdac_display_power(hdev->bus, hdev->addr, false);
list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) {
pcm->cvt = NULL;
if (list_empty(&pcm->port_list))
continue;
list_for_each_entry_safe(port, port_next,
&pcm->port_list, head)
list_del(&port->head);
list_del(&pcm->head);
kfree(pcm);
}
list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) {
list_del(&cvt->head);
kfree(cvt->name);
kfree(cvt);
}
list_for_each_entry_safe(pin, pin_next, &hdmi->pin_list, head) {
for (i = 0; i < pin->num_ports; i++)
pin->ports[i].pin = NULL;
kfree(pin->ports);
list_del(&pin->head);
kfree(pin);
}
return 0;
}