[libvirt] [PATCH v3] pci: Give an explicit error if device not found
v2: Use intended F_OK. Drop devdir param, just check dev->path for device
existence.
v3: Use virReportSystemError, include dev->path in error message.
Signed-off-by: Cole Robinson <crobinso(a)redhat.com>
---
src/util/pci.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/src/util/pci.c b/src/util/pci.c
index 81193b7..a1bd8e3 100644
--- a/src/util/pci.c
+++ b/src/util/pci.c
@@ -1046,6 +1046,14 @@ pciGetDevice(unsigned domain,
snprintf(dev->path, sizeof(dev->path),
PCI_SYSFS "devices/%s/config", dev->name);
+ if (access(dev->path, F_OK) != 0) {
+ virReportSystemError(errno,
+ _("Device %s not found: could not access %s"),
+ dev->name, dev->path);
+ pciFreeDevice(dev);
+ return NULL;
+ }
+
vendor = pciReadDeviceID(dev, "vendor");
product = pciReadDeviceID(dev, "device");
--
1.6.6.1