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-rw-r--r--hw/vfio/pci.c2
-rw-r--r--util/vfio-helpers.c8
2 files changed, 6 insertions, 4 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index bf27a39905..73874a94de 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -2994,7 +2994,7 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
qemu_uuid_unparse(&vdev->vf_token, uuid);
name = g_strdup_printf("%s vf_token=%s", vbasedev->name, uuid);
} else {
- name = vbasedev->name;
+ name = g_strdup(vbasedev->name);
}
ret = vfio_get_device(group, name, vbasedev, errp);
diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c
index 2d8af38f88..f8bab46c68 100644
--- a/util/vfio-helpers.c
+++ b/util/vfio-helpers.c
@@ -106,15 +106,17 @@ struct QEMUVFIOState {
*/
static char *sysfs_find_group_file(const char *device, Error **errp)
{
+ g_autoptr(GError) gerr = NULL;
char *sysfs_link;
char *sysfs_group;
char *p;
char *path = NULL;
sysfs_link = g_strdup_printf("/sys/bus/pci/devices/%s/iommu_group", device);
- sysfs_group = g_malloc0(PATH_MAX);
- if (readlink(sysfs_link, sysfs_group, PATH_MAX - 1) == -1) {
- error_setg_errno(errp, errno, "Failed to find iommu group sysfs path");
+ sysfs_group = g_file_read_link(sysfs_link, &gerr);
+ if (gerr) {
+ error_setg(errp, "Failed to find iommu group sysfs path: %s",
+ gerr->message);
goto out;
}
p = strrchr(sysfs_group, '/');