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alsactl: check for error values from snd_config_get...()

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-06-04 09:58:46 +02:00
parent 511dd7a597
commit 2bc595e7bd
1 changed files with 28 additions and 13 deletions
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41
alsactl/state.c
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@ -655,13 +655,16 @@ static long config_iface(snd_config_t *n)
const char *str;
switch (snd_config_get_type(n)) {
case SND_CONFIG_TYPE_INTEGER:
snd_config_get_integer(n, &i);
if (snd_config_get_integer(n, &i) < 0)
return -1;
return i;
case SND_CONFIG_TYPE_INTEGER64:
snd_config_get_integer64(n, &li);
if (snd_config_get_integer64(n, &li) < 0)
return -1;
return li;
case SND_CONFIG_TYPE_STRING:
snd_config_get_string(n, &str);
if (snd_config_get_string(n, &str) < 0)
return -1;
break;
default:
return -1;
@ -681,17 +684,20 @@ static int config_bool(snd_config_t *n, int doit)
switch (snd_config_get_type(n)) {
case SND_CONFIG_TYPE_INTEGER:
snd_config_get_integer(n, &val);
if (snd_config_get_integer(n, &val) < 0)
return -1;
if (val < 0 || val > 1)
return -1;
return val;
case SND_CONFIG_TYPE_INTEGER64:
snd_config_get_integer64(n, &lval);
if (snd_config_get_integer64(n, &lval) < 0)
return -1;
if (lval < 0 || lval > 1)
return -1;
return (int) lval;
case SND_CONFIG_TYPE_STRING:
snd_config_get_string(n, &str);
if (snd_config_get_string(n, &str) < 0)
return -1;
break;
case SND_CONFIG_TYPE_COMPOUND:
if (!force_restore || !doit)
@ -718,13 +724,16 @@ static int config_enumerated(snd_config_t *n, snd_ctl_t *handle,
switch (snd_config_get_type(n)) {
case SND_CONFIG_TYPE_INTEGER:
snd_config_get_integer(n, &val);
if (snd_config_get_integer(n, &val) < 0)
return -1;
return val;
case SND_CONFIG_TYPE_INTEGER64:
snd_config_get_integer64(n, &lval);
if (snd_config_get_integer64(n, &lval) < 0)
return -1;
return (int) lval;
case SND_CONFIG_TYPE_STRING:
snd_config_get_string(n, &str);
if (snd_config_get_string(n, &str) < 0)
return -1;
break;
case SND_CONFIG_TYPE_COMPOUND:
if (!force_restore || !doit)
@ -1247,6 +1256,8 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control,
}
if (strcmp(fld, "iface") == 0) {
iface = (snd_ctl_elem_iface_t)config_iface(n);
if (iface < 0)
return -EINVAL;
continue;
}
if (strcmp(fld, "device") == 0) {
@ -1254,7 +1265,8 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control,
cerror(doit, "control.%d.%s is invalid", numid, fld);
return -EINVAL;
}
snd_config_get_integer(n, &device);
if (snd_config_get_integer(n, &device) < 0)
return -EINVAL;
continue;
}
if (strcmp(fld, "subdevice") == 0) {
@ -1262,7 +1274,8 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control,
cerror(doit, "control.%d.%s is invalid", numid, fld);
return -EINVAL;
}
snd_config_get_integer(n, &subdevice);
if (snd_config_get_integer(n, &subdevice) < 0)
return -EINVAL;
continue;
}
if (strcmp(fld, "name") == 0) {
@ -1270,7 +1283,8 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control,
cerror(doit, "control.%d.%s is invalid", numid, fld);
return -EINVAL;
}
snd_config_get_string(n, &name);
if (snd_config_get_string(n, &name) < 0)
return -EINVAL;
continue;
}
if (strcmp(fld, "index") == 0) {
@ -1278,7 +1292,8 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control,
cerror(doit, "control.%d.%s is invalid", numid, fld);
return -EINVAL;
}
snd_config_get_integer(n, &index);
if (snd_config_get_integer(n, &index) < 0)
return -EINVAL;
continue;
}
if (strcmp(fld, "value") == 0) {