There is no need to differentiate between PROPERTY_FOUND
and PROPERTY_MISSING - we can just look if the string is non-NULL.
---
src/node_device/node_device_udev.c | 87 ++++++++++++++++----------------------
1 file changed, 36 insertions(+), 51 deletions(-)
diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
index 35d0dc7..876fca1 100644
--- a/src/node_device/node_device_udev.c
+++ b/src/node_device/node_device_udev.c
@@ -90,9 +90,8 @@ static int udevGetStringProperty(struct udev_device *udev_device,
{
if (VIR_STRDUP(*value,
udevGetDeviceProperty(udev_device, property_key)) < 0)
- return PROPERTY_ERROR;
-
- return *value == NULL ? PROPERTY_MISSING : PROPERTY_FOUND;
+ return -1;
+ return 0;
}
@@ -474,7 +473,6 @@ static int udevProcessUSBDevice(struct udev_device *device,
{
virNodeDevCapDataPtr data = &def->caps->data;
int ret = -1;
- int err;
if (udevGetUintProperty(device,
"BUSNUM",
@@ -497,18 +495,16 @@ static int udevProcessUSBDevice(struct udev_device *device,
goto out;
}
- err = udevGetStringProperty(device,
- "ID_VENDOR_FROM_DATABASE",
- &data->usb_dev.vendor_name);
- if (err == PROPERTY_ERROR)
+ if (udevGetStringProperty(device,
+ "ID_VENDOR_FROM_DATABASE",
+ &data->usb_dev.vendor_name) < 0)
+ goto out;
+
+ if (!data->usb_dev.vendor_name &&
+ udevGetStringSysfsAttr(device,
+ "manufacturer",
+ &data->usb_dev.vendor_name) == PROPERTY_ERROR)
goto out;
- if (err == PROPERTY_MISSING) {
- if (udevGetStringSysfsAttr(device,
- "manufacturer",
- &data->usb_dev.vendor_name) == PROPERTY_ERROR) {
- goto out;
- }
- }
if (udevGetUintProperty(device,
"ID_MODEL_ID",
@@ -517,18 +513,16 @@ static int udevProcessUSBDevice(struct udev_device *device,
goto out;
}
- err = udevGetStringProperty(device,
- "ID_MODEL_FROM_DATABASE",
- &data->usb_dev.product_name);
- if (err == PROPERTY_ERROR)
+ if (udevGetStringProperty(device,
+ "ID_MODEL_FROM_DATABASE",
+ &data->usb_dev.product_name) < 0)
+ goto out;
+
+ if (!data->usb_dev.product_name &&
+ udevGetStringSysfsAttr(device,
+ "product",
+ &data->usb_dev.product_name) == PROPERTY_ERROR)
goto out;
- if (err == PROPERTY_MISSING) {
- if (udevGetStringSysfsAttr(device,
- "product",
- &data->usb_dev.product_name) == PROPERTY_ERROR) {
- goto out;
- }
- }
if (udevGenerateDeviceName(device, def, NULL) != 0)
goto out;
@@ -599,9 +593,8 @@ static int udevProcessNetworkInterface(struct udev_device *device,
if (udevGetStringProperty(device,
"INTERFACE",
- &data->net.ifname) == PROPERTY_ERROR) {
+ &data->net.ifname) < 0)
goto out;
- }
if (udevGetStringSysfsAttr(device,
"address",
@@ -834,9 +827,8 @@ static int udevProcessRemoveableMedia(struct udev_device *device,
VIR_NODE_DEV_CAP_STORAGE_REMOVABLE_MEDIA_AVAILABLE;
if (udevGetStringProperty(device, "ID_FS_LABEL",
- &data->storage.media_label) == PROPERTY_ERROR) {
+ &data->storage.media_label) < 0)
goto out;
- }
if (udevGetUint64SysfsAttr(device,
"size",
@@ -989,16 +981,11 @@ static int udevProcessStorage(struct udev_device *device,
if (VIR_STRDUP(data->storage.block, devnode) < 0)
goto out;
- if (udevGetStringProperty(device,
- "ID_BUS",
- &data->storage.bus) == PROPERTY_ERROR) {
+ if (udevGetStringProperty(device, "ID_BUS", &data->storage.bus) < 0)
goto out;
- }
- if (udevGetStringProperty(device,
- "ID_SERIAL",
- &data->storage.serial) == PROPERTY_ERROR) {
+ if (udevGetStringProperty(device, "ID_SERIAL", &data->storage.serial) < 0)
goto out;
- }
+
if (udevGetStringSysfsAttr(device,
"device/vendor",
&data->storage.vendor) == PROPERTY_ERROR) {
@@ -1016,9 +1003,10 @@ static int udevProcessStorage(struct udev_device *device,
* expected, so I don't see a problem with not having a property
* for it. */
- if (udevGetStringProperty(device,
- "ID_TYPE",
- &data->storage.drive_type) != PROPERTY_FOUND ||
+ if (udevGetStringProperty(device, "ID_TYPE", &data->storage.drive_type) < 0)
+ goto out;
+
+ if (!data->storage.drive_type ||
STREQ(def->caps->data.storage.drive_type, "generic")) {
int val = 0;
const char *str = NULL;
@@ -1080,9 +1068,8 @@ static int
udevProcessSCSIGeneric(struct udev_device *dev,
virNodeDeviceDefPtr def)
{
- if (udevGetStringProperty(dev,
- "DEVNAME",
- &def->caps->data.sg.path) != PROPERTY_FOUND)
+ if (udevGetStringProperty(dev, "DEVNAME", &def->caps->data.sg.path) < 0 ||
+ !def->caps->data.sg.path)
return -1;
if (udevGenerateDeviceName(dev, def, NULL) != 0)
@@ -1130,9 +1117,10 @@ udevGetDeviceType(struct udev_device *device,
*type = VIR_NODE_DEV_CAP_NET;
/* SCSI generic device doesn't set DEVTYPE property */
- if (udevGetStringProperty(device, "SUBSYSTEM", &subsystem) ==
- PROPERTY_FOUND &&
- STREQ(subsystem, "scsi_generic"))
+ if (udevGetStringProperty(device, "SUBSYSTEM", &subsystem) < 0)
+ return -1;
+
+ if (STREQ_NULLABLE(subsystem, "scsi_generic"))
*type = VIR_NODE_DEV_CAP_SCSI_GENERIC;
VIR_FREE(subsystem);
}
@@ -1277,11 +1265,8 @@ static int udevAddOneDevice(struct udev_device *device)
if (VIR_STRDUP(def->sysfs_path, udev_device_get_syspath(device)) < 0)
goto out;
- if (udevGetStringProperty(device,
- "DRIVER",
- &def->driver) == PROPERTY_ERROR) {
+ if (udevGetStringProperty(device, "DRIVER", &def->driver) < 0)
goto out;
- }
if (VIR_ALLOC(def->caps) != 0)
goto out;
--
2.7.3
--
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