[libvirt] [PATCH 3/5] util: introduce readonly attribute to virPCIDeviceConfigOpenInternal
Allow wrappers to open PCI config as read-only.
Signed-off-by: Ján Tomko <jtomko(a)redhat.com>
---
src/util/virpci.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/util/virpci.c b/src/util/virpci.c
index c1dad1e69f..e45dfbc631 100644
--- a/src/util/virpci.c
+++ b/src/util/virpci.c
@@ -291,11 +291,11 @@ virPCIDeviceGetDriverPathAndName(virPCIDevicePtr dev, char **path,
char **name)
static int
-virPCIDeviceConfigOpenInternal(virPCIDevicePtr dev, bool fatal)
+virPCIDeviceConfigOpenInternal(virPCIDevicePtr dev, bool readonly, bool fatal)
{
int fd;
- fd = open(dev->path, O_RDWR);
+ fd = open(dev->path, readonly ? O_RDONLY : O_RDWR);
if (fd < 0) {
if (fatal) {
@@ -317,13 +317,13 @@ virPCIDeviceConfigOpenInternal(virPCIDevicePtr dev, bool fatal)
static int
virPCIDeviceConfigOpen(virPCIDevicePtr dev, bool fatal)
{
- return virPCIDeviceConfigOpenInternal(dev, fatal);
+ return virPCIDeviceConfigOpenInternal(dev, false, fatal);
}
static int
virPCIDeviceConfigOpenWrite(virPCIDevicePtr dev)
{
- return virPCIDeviceConfigOpenInternal(dev, true);
+ return virPCIDeviceConfigOpenInternal(dev, false, true);
}
static void
--
2.20.1