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util: introduce readonly attribute to virPCIDeviceConfigOpenInternal

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Allow wrappers to open PCI config as read-only.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Ján Tomko 2019-08-13 15:11:14 +02:00
parent fabb743050
commit 801ebb5edb
1 changed files with 4 additions and 4 deletions
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8
src/util/virpci.c
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@ -291,11 +291,11 @@ virPCIDeviceGetDriverPathAndName(virPCIDevicePtr dev, char **path, char **name)
static int static int
virPCIDeviceConfigOpenInternal(virPCIDevicePtr dev, bool fatal) virPCIDeviceConfigOpenInternal(virPCIDevicePtr dev, bool readonly, bool fatal)
{ {
int fd; int fd;
fd = open(dev->path, O_RDWR); fd = open(dev->path, readonly ? O_RDONLY : O_RDWR);
if (fd < 0) { if (fd < 0) {
if (fatal) { if (fatal) {
@ -317,13 +317,13 @@ virPCIDeviceConfigOpenInternal(virPCIDevicePtr dev, bool fatal)
static int static int
virPCIDeviceConfigOpen(virPCIDevicePtr dev, bool fatal) virPCIDeviceConfigOpen(virPCIDevicePtr dev, bool fatal)
{ {
return virPCIDeviceConfigOpenInternal(dev, fatal); return virPCIDeviceConfigOpenInternal(dev, false, fatal);
} }
static int static int
virPCIDeviceConfigOpenWrite(virPCIDevicePtr dev) virPCIDeviceConfigOpenWrite(virPCIDevicePtr dev)
{ {
return virPCIDeviceConfigOpenInternal(dev, true); return virPCIDeviceConfigOpenInternal(dev, false, true);
} }
static void static void