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return SR_ERR_ARG if a driver doesn't implement sr_config_*()

This commit is contained in:
Bert Vermeulen 2013-04-07 21:50:42 +02:00
parent 82b904b173
commit 6cefe516aa
1 changed files with 6 additions and 1 deletions
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7
hwdriver.c
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@ -410,6 +410,9 @@ SR_API int sr_config_get(const struct sr_dev_driver *driver, int key,
if (!driver || !data)
return SR_ERR;
if (!driver->config_get)
return SR_ERR_ARG;
if ((ret = driver->config_get(key, data, sdi)) == SR_OK) {
/* Got a floating reference from the driver. Sink it here,
* caller will need to unref when done with it. */
@ -474,8 +477,10 @@ SR_API int sr_config_list(const struct sr_dev_driver *driver, int key,
{
int ret;
if (!driver || !data || !driver->config_list)
if (!driver || !data)
ret = SR_ERR;
else if (!sdi->driver->config_list)
ret = SR_ERR_ARG;
else if ((ret = driver->config_list(key, data, sdi)) == SR_OK)
g_variant_ref_sink(*data);