vfio/pci: Update comment around group_fd get in vfio_pci_ioctl_pci_hot_reset()

This suits more on what the code does.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Yanting Jiang <yanting.jiang@intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20230718105542.4138-2-yi.l.liu@intel.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
index 20d7b69..4e228e2 100644 (file)
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -1349,9 +1349,8 @@ static int vfio_pci_ioctl_pci_hot_reset(struct vfio_pci_core_device *vdev,
        }
 
        /*
-        * For each group_fd, get the group through the vfio external user
-        * interface and store the group and iommu ID.  This ensures the group
-        * is held across the reset.
+        * Get the group file for each fd to ensure the group is held across
+        * the reset
         */
        for (file_idx = 0; file_idx < hdr.count; file_idx++) {
                struct file *file = fget(group_fds[file_idx]);