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nodedev: mdev: Report an error when mdev path resolution fails 

It might happen that virFileResolveLinkHelper fails on the lstat system
call. virFileResolveLink expects the caller to report an error when it
fails, however this wasn't the case for udevProcessMediatedDevice.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
Erik Skultety 2017-06-20 16:50:26 +02:00
parent 03fb4e3dea
commit 6167d8494c
1 changed files with 3 additions and 1 deletions
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4
src/node_device/node_device_udev.c
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@ -1121,8 +1121,10 @@ udevProcessMediatedDevice(struct udev_device *dev,
if (virAsprintf(&linkpath, "%s/mdev_type", udev_device_get_syspath(dev)) < 0)
goto cleanup;
if (virFileResolveLink(linkpath, &canonicalpath) < 0)
if (virFileResolveLink(linkpath, &canonicalpath) < 0) {
virReportSystemError(errno, _("failed to resolve '%s'"), linkpath);
goto cleanup;
}
if (VIR_STRDUP(data->type, last_component(canonicalpath)) < 0)
goto cleanup;