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| author | Yan Yankovskyi <yyankovskyi@gmail.com> | 2020-03-23 17:15:11 +0100 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2020-04-07 12:12:54 +0200 |
| commit | 0102e4efda76d0721bc744dd80258eb6cfa25fc3 (patch) | |
| tree | 223fbcfbd53559d99a828b32b7cbfc295d589638 /drivers/xen/pvcalls-front.c | |
| parent | x86/xen: Make the secondary CPU idle tasks reliable (diff) | |
| download | linux-0102e4efda76d0721bc744dd80258eb6cfa25fc3.tar.xz linux-0102e4efda76d0721bc744dd80258eb6cfa25fc3.zip | |
xen: Use evtchn_type_t as a type for event channels
Make event channel functions pass event channel port using
evtchn_port_t type. It eliminates signed <-> unsigned conversion.
Signed-off-by: Yan Yankovskyi <yyankovskyi@gmail.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20200323152343.GA28422@kbp1-lhp-F74019
Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen/pvcalls-front.c')
| -rw-r--r-- | drivers/xen/pvcalls-front.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index 57592a6b5c9e..b43b5595e988 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -368,12 +368,12 @@ out: return -ENOMEM; } -static int create_active(struct sock_mapping *map, int *evtchn) +static int create_active(struct sock_mapping *map, evtchn_port_t *evtchn) { void *bytes; int ret = -ENOMEM, irq = -1, i; - *evtchn = -1; + *evtchn = 0; init_waitqueue_head(&map->active.inflight_conn_req); bytes = map->active.data.in; @@ -404,7 +404,7 @@ static int create_active(struct sock_mapping *map, int *evtchn) return 0; out_error: - if (*evtchn >= 0) + if (*evtchn > 0) xenbus_free_evtchn(pvcalls_front_dev, *evtchn); return ret; } @@ -415,7 +415,8 @@ int pvcalls_front_connect(struct socket *sock, struct sockaddr *addr, struct pvcalls_bedata *bedata; struct sock_mapping *map = NULL; struct xen_pvcalls_request *req; - int notify, req_id, ret, evtchn; + int notify, req_id, ret; + evtchn_port_t evtchn; if (addr->sa_family != AF_INET || sock->type != SOCK_STREAM) return -EOPNOTSUPP; @@ -765,7 +766,8 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags) struct sock_mapping *map; struct sock_mapping *map2 = NULL; struct xen_pvcalls_request *req; - int notify, req_id, ret, evtchn, nonblock; + int notify, req_id, ret, nonblock; + evtchn_port_t evtchn; map = pvcalls_enter_sock(sock); if (IS_ERR(map)) @@ -1125,7 +1127,8 @@ static int pvcalls_front_remove(struct xenbus_device *dev) static int pvcalls_front_probe(struct xenbus_device *dev, const struct xenbus_device_id *id) { - int ret = -ENOMEM, evtchn, i; + int ret = -ENOMEM, i; + evtchn_port_t evtchn; unsigned int max_page_order, function_calls, len; char *versions; grant_ref_t gref_head = 0; |