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nodedev: report errors about missing integer properties

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The helper methods for getting integer properties ignore a missing
property setting its value to zero. This lack of error reporting
resulted in missing the regression handling hotplug of USB devices
with the vendor and model IDs getting set to zero silently.

The few callers which relied on this silent defaulting have been fixed,
so now we can report fatal errors immediately.

Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2020-11-17 10:17:48 +00:00
parent b3a2395313
commit 3fba30fc82
1 changed files with 20 additions and 6 deletions
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26
src/node_device/node_device_udev.c
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@ -169,10 +169,17 @@ udevGetIntProperty(struct udev_device *udev_device,
const char *str = NULL;
str = udevGetDeviceProperty(udev_device, property_key);
if (str && virStrToLong_i(str, NULL, base, value) < 0) {
if (!str) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to convert '%s' to int"), str);
_("Missing udev property '%s' on '%s'"),
property_key, udev_device_get_sysname(udev_device));
return -1;
}
if (virStrToLong_i(str, NULL, base, value) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to parse int '%s' from udev property '%s' on '%s'"),
str, property_key, udev_device_get_sysname(udev_device));
return -1;
}
return 0;
@ -188,10 +195,17 @@ udevGetUintProperty(struct udev_device *udev_device,
const char *str = NULL;
str = udevGetDeviceProperty(udev_device, property_key);
if (str && virStrToLong_ui(str, NULL, base, value) < 0) {
if (!str) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to convert '%s' to int"), str);
_("Missing udev property '%s' on '%s'"),
property_key, udev_device_get_sysname(udev_device));
return -1;
}
if (virStrToLong_ui(str, NULL, base, value) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to parse uint '%s' from udev property '%s' on '%s'"),
str, property_key, udev_device_get_sysname(udev_device));
return -1;
}
return 0;