[libvirt] [PATCH] pciFindStubDriver should return NULL on error

[Chris Wright]

pciFindStubDriver currently returns 0 in one of the error cases.
While it's correct...NULL is more readable.

Signed-off-by: Chris Wright <chrisw at redhat.com>
---
 src/util/pci.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/util/pci.c b/src/util/pci.c
index a559476..22c66fa 100644
--- a/src/util/pci.c
+++ b/src/util/pci.c
@@ -826,7 +826,7 @@ recheck:
             char ebuf[1024];
             VIR_WARN("failed to load pci-stub or pciback drivers: %s",
                      virStrerror(errno, ebuf, sizeof ebuf));
-            return 0;
+            return NULL;
         }
 
         goto recheck;