diff options
| author | Juergen Gross <jgross@suse.com> | 2022-04-28 09:01:02 +0200 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2022-05-19 14:21:43 +0200 |
| commit | edd81e7caa77a2772bb9ddb8562e2d45aeed2cc1 (patch) | |
| tree | f11c09dc99c9acd2ebe4baad6a3a430a70e21e6c /drivers/usb | |
| parent | 70920be6ff0d7abe92311a678cb6c84fcec658ca (diff) | |
| download | linux-edd81e7caa77a2772bb9ddb8562e2d45aeed2cc1.tar.bz2 | |
xen/usb: switch xen-hcd to use INVALID_GRANT_REF
Instead of using a private macro for an invalid grant reference use
the common one.
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/xen-hcd.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/usb/host/xen-hcd.c b/drivers/usb/host/xen-hcd.c index 3e487baf8422..9cbc7c2dab02 100644 --- a/drivers/usb/host/xen-hcd.c +++ b/drivers/usb/host/xen-hcd.c @@ -87,8 +87,6 @@ struct xenhcd_info { bool error; }; -#define GRANT_INVALID_REF 0 - #define XENHCD_RING_JIFFIES (HZ/200) #define XENHCD_SCAN_JIFFIES 1 @@ -1100,17 +1098,17 @@ static void xenhcd_destroy_rings(struct xenhcd_info *info) unbind_from_irqhandler(info->irq, info); info->irq = 0; - if (info->urb_ring_ref != GRANT_INVALID_REF) { + if (info->urb_ring_ref != INVALID_GRANT_REF) { gnttab_end_foreign_access(info->urb_ring_ref, (unsigned long)info->urb_ring.sring); - info->urb_ring_ref = GRANT_INVALID_REF; + info->urb_ring_ref = INVALID_GRANT_REF; } info->urb_ring.sring = NULL; - if (info->conn_ring_ref != GRANT_INVALID_REF) { + if (info->conn_ring_ref != INVALID_GRANT_REF) { gnttab_end_foreign_access(info->conn_ring_ref, (unsigned long)info->conn_ring.sring); - info->conn_ring_ref = GRANT_INVALID_REF; + info->conn_ring_ref = INVALID_GRANT_REF; } info->conn_ring.sring = NULL; } @@ -1123,8 +1121,8 @@ static int xenhcd_setup_rings(struct xenbus_device *dev, grant_ref_t gref; int err; - info->urb_ring_ref = GRANT_INVALID_REF; - info->conn_ring_ref = GRANT_INVALID_REF; + info->urb_ring_ref = INVALID_GRANT_REF; + info->conn_ring_ref = INVALID_GRANT_REF; urb_sring = (struct xenusb_urb_sring *)get_zeroed_page( GFP_NOIO | __GFP_HIGH); |