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https://gitlab.com/libvirt/libvirt.git
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node_device_udev: remove unnecessary ret variables
Remove ret variables and labels from functions where there is no cleanup to be done.
This commit is contained in:
Ján Tomko
parent
5972f185e1
commit
074b4888ee
@ -222,7 +222,6 @@ static int udevGenerateDeviceName(struct udev_device *device,
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virNodeDeviceDefPtr def,
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const char *s)
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{
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int ret = 0;
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size_t i;
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virBuffer buf = VIR_BUFFER_INITIALIZER;
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@ -243,7 +242,7 @@ static int udevGenerateDeviceName(struct udev_device *device,
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*(def->name + i) = '_';
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}
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return ret;
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return 0;
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}
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#if HAVE_UDEV_LOGGING
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@ -287,7 +286,6 @@ static int udevTranslatePCIIds(unsigned int vendor,
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char **vendor_string,
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char **product_string)
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{
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int ret = -1;
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struct pci_id_match m;
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const char *vendor_name = NULL, *device_name = NULL;
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@ -306,14 +304,11 @@ static int udevTranslatePCIIds(unsigned int vendor,
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NULL,
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NULL);
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if (VIR_STRDUP(*vendor_string, vendor_name) < 0||
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if (VIR_STRDUP(*vendor_string, vendor_name) < 0 ||
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VIR_STRDUP(*product_string, device_name) < 0)
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goto out;
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return -1;
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ret = 0;
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out:
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return ret;
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return 0;
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}
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@ -419,84 +414,75 @@ static int udevProcessUSBDevice(struct udev_device *device,
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virNodeDeviceDefPtr def)
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{
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virNodeDevCapDataPtr data = &def->caps->data;
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int ret = -1;
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if (udevGetUintProperty(device, "BUSNUM", &data->usb_dev.bus, 10) < 0)
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goto out;
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return -1;
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if (udevGetUintProperty(device, "DEVNUM", &data->usb_dev.device, 10) < 0)
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goto out;
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return -1;
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if (udevGetUintProperty(device, "ID_VENDOR_ID", &data->usb_dev.vendor, 16) < 0)
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goto out;
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return -1;
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if (udevGetStringProperty(device,
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"ID_VENDOR_FROM_DATABASE",
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&data->usb_dev.vendor_name) < 0)
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goto out;
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return -1;
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if (!data->usb_dev.vendor_name &&
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udevGetStringSysfsAttr(device, "manufacturer",
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&data->usb_dev.vendor_name) < 0)
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goto out;
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return -1;
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if (udevGetUintProperty(device, "ID_MODEL_ID", &data->usb_dev.product, 16) < 0)
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goto out;
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return -1;
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if (udevGetStringProperty(device,
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"ID_MODEL_FROM_DATABASE",
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&data->usb_dev.product_name) < 0)
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goto out;
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return -1;
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if (!data->usb_dev.product_name &&
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udevGetStringSysfsAttr(device, "product",
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&data->usb_dev.product_name) < 0)
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goto out;
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return -1;
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if (udevGenerateDeviceName(device, def, NULL) != 0)
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goto out;
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return -1;
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ret = 0;
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out:
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return ret;
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return 0;
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}
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static int udevProcessUSBInterface(struct udev_device *device,
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virNodeDeviceDefPtr def)
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{
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int ret = -1;
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virNodeDevCapDataPtr data = &def->caps->data;
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if (udevGetUintSysfsAttr(device, "bInterfaceNumber",
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&data->usb_if.number, 16) < 0)
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goto out;
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return -1;
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if (udevGetUintSysfsAttr(device, "bInterfaceClass",
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&data->usb_if._class, 16) < 0)
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goto out;
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return -1;
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if (udevGetUintSysfsAttr(device, "bInterfaceSubClass",
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&data->usb_if.subclass, 16) < 0)
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goto out;
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return -1;
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if (udevGetUintSysfsAttr(device, "bInterfaceProtocol",
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&data->usb_if.protocol, 16) < 0)
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goto out;
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return -1;
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if (udevGenerateDeviceName(device, def, NULL) != 0)
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goto out;
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return -1;
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ret = 0;
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out:
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return ret;
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return 0;
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}
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static int udevProcessNetworkInterface(struct udev_device *device,
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virNodeDeviceDefPtr def)
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{
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int ret = -1;
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const char *devtype = udev_device_get_devtype(device);
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virNodeDevCapDataPtr data = &def->caps->data;
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@ -509,35 +495,31 @@ static int udevProcessNetworkInterface(struct udev_device *device,
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if (udevGetStringProperty(device,
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"INTERFACE",
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&data->net.ifname) < 0)
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goto out;
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return -1;
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if (udevGetStringSysfsAttr(device, "address",
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&data->net.address) < 0)
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goto out;
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return -1;
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if (udevGetUintSysfsAttr(device, "addr_len", &data->net.address_len, 0) < 0)
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goto out;
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return -1;
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if (udevGenerateDeviceName(device, def, data->net.address) != 0)
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goto out;
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return -1;
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if (virNetDevGetLinkInfo(data->net.ifname, &data->net.lnk) < 0)
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goto out;
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return -1;
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if (virNetDevGetFeatures(data->net.ifname, &data->net.features) < 0)
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goto out;
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return -1;
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ret = 0;
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out:
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return ret;
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return 0;
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}
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static int udevProcessSCSIHost(struct udev_device *device ATTRIBUTE_UNUSED,
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virNodeDeviceDefPtr def)
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{
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int ret = -1;
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virNodeDevCapDataPtr data = &def->caps->data;
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char *filename = NULL;
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char *str;
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@ -549,40 +531,33 @@ static int udevProcessSCSIHost(struct udev_device *device ATTRIBUTE_UNUSED,
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("failed to parse SCSI host '%s'"),
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filename);
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goto out;
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return -1;
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}
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nodeDeviceSysfsGetSCSIHostCaps(&def->caps->data);
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if (udevGenerateDeviceName(device, def, NULL) != 0)
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goto out;
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return -1;
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ret = 0;
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out:
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return ret;
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return 0;
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}
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static int udevProcessSCSITarget(struct udev_device *device ATTRIBUTE_UNUSED,
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virNodeDeviceDefPtr def)
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{
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int ret = -1;
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const char *sysname = NULL;
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virNodeDevCapDataPtr data = &def->caps->data;
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sysname = udev_device_get_sysname(device);
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if (VIR_STRDUP(data->scsi_target.name, sysname) < 0)
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goto out;
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return -1;
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if (udevGenerateDeviceName(device, def, NULL) != 0)
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goto out;
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return -1;
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ret = 0;
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out:
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return ret;
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return 0;
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}
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@ -691,20 +666,18 @@ static int udevProcessDisk(struct udev_device *device,
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virNodeDeviceDefPtr def)
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{
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virNodeDevCapDataPtr data = &def->caps->data;
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int ret = 0;
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if (udevGetUint64SysfsAttr(device, "size", &data->storage.num_blocks) < 0)
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goto out;
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return -1;
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if (udevGetUint64SysfsAttr(device, "queue/logical_block_size",
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&data->storage.logical_block_size) < 0)
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goto out;
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return -1;
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data->storage.size = data->storage.num_blocks *
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data->storage.logical_block_size;
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out:
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return ret;
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return 0;
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}
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@ -752,7 +725,6 @@ static int udevProcessRemoveableMedia(struct udev_device *device,
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static int udevProcessCDROM(struct udev_device *device,
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virNodeDeviceDefPtr def)
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{
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int ret = -1;
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int has_media = 0;
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/* NB: the drive_type string provided by udev is different from
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@ -761,15 +733,13 @@ static int udevProcessCDROM(struct udev_device *device,
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* versions of libvirt. */
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VIR_FREE(def->caps->data.storage.drive_type);
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if (VIR_STRDUP(def->caps->data.storage.drive_type, "cdrom") < 0)
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goto out;
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return -1;
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if (udevHasDeviceProperty(device, "ID_CDROM_MEDIA") &&
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udevGetIntProperty(device, "ID_CDROM_MEDIA", &has_media, 0) < 0)
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goto out;
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return -1;
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ret = udevProcessRemoveableMedia(device, def, has_media);
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out:
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return ret;
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return udevProcessRemoveableMedia(device, def, has_media);
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}
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static int udevProcessFloppy(struct udev_device *device,
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@ -794,21 +764,19 @@ static int udevProcessSD(struct udev_device *device,
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virNodeDeviceDefPtr def)
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{
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virNodeDevCapDataPtr data = &def->caps->data;
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int ret = 0;
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if (udevGetUint64SysfsAttr(device, "size",
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&data->storage.num_blocks) < 0)
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goto out;
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return -1;
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if (udevGetUint64SysfsAttr(device, "queue/logical_block_size",
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&data->storage.logical_block_size) < 0)
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goto out;
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return -1;
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data->storage.size = data->storage.num_blocks *
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data->storage.logical_block_size;
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out:
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return ret;
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return 0;
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}
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