diff options
Diffstat (limited to 'tools/libxc')
| -rw-r--r-- | tools/libxc/xc_linux_osdep.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/libxc/xc_linux_osdep.c b/tools/libxc/xc_linux_osdep.c index 0da20091db..115203ddb4 100644 --- a/tools/libxc/xc_linux_osdep.c +++ b/tools/libxc/xc_linux_osdep.c @@ -566,7 +566,7 @@ static void *linux_gnttab_grant_map(xc_gnttab *xch, xc_osdep_handle h, struct ioctl_gntdev_unmap_notify notify; notify.index = map->index; notify.action = 0; - if (notify_offset >= 0 && notify_offset < XC_PAGE_SIZE * count) { + if (notify_offset < XC_PAGE_SIZE * count) { notify.index += notify_offset; notify.action |= UNMAP_NOTIFY_CLEAR_BYTE; } @@ -708,11 +708,11 @@ static void *linux_gntshr_share_pages(xc_gntshr *xch, xc_osdep_handle h, notify.index = gref_info->index; notify.action = 0; - if (notify_offset >= 0) { + if (notify_offset < XC_PAGE_SIZE * count) { notify.index += notify_offset; notify.action |= UNMAP_NOTIFY_CLEAR_BYTE; } - if (notify_port >= 0) { + if (notify_port != -1) { notify.event_channel_port = notify_port; notify.action |= UNMAP_NOTIFY_SEND_EVENT; } |