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net: netmap: use error_setg() helpers in place of error_report()

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This update was required to align error reporting of netmap backend
initialization to the modifications introduced by commit a30ecde.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Vincenzo Maffione 2015-11-10 10:47:22 +01:00 committed by Jason Wang
parent 54c59b4de5
commit 39bec4f38b
1 changed files with 11 additions and 11 deletions
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22
net/netmap.c
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@ -90,7 +90,7 @@ pkt_copy(const void *_src, void *_dst, int l)
* Open a netmap device. We assume there is only one queue
* (which is the case for the VALE bridge).
*/
static int netmap_open(NetmapPriv *me)
static void netmap_open(NetmapPriv *me, Error **errp)
{
int fd;
int err;
@ -99,9 +99,8 @@ static int netmap_open(NetmapPriv *me)
me->fd = fd = open(me->fdname, O_RDWR);
if (fd < 0) {
error_report("Unable to open netmap device '%s' (%s)",
me->fdname, strerror(errno));
return -1;
error_setg_file_open(errp, errno, me->fdname);
return;
}
memset(&req, 0, sizeof(req));
pstrcpy(req.nr_name, sizeof(req.nr_name), me->ifname);
@ -109,15 +108,14 @@ static int netmap_open(NetmapPriv *me)
req.nr_version = NETMAP_API;
err = ioctl(fd, NIOCREGIF, &req);
if (err) {
error_report("Unable to register %s: %s", me->ifname, strerror(errno));
error_setg_errno(errp, errno, "Unable to register %s", me->ifname);
goto error;
}
l = me->memsize = req.nr_memsize;
me->mem = mmap(0, l, PROT_WRITE | PROT_READ, MAP_SHARED, fd, 0);
if (me->mem == MAP_FAILED) {
error_report("Unable to mmap netmap shared memory: %s",
strerror(errno));
error_setg_errno(errp, errno, "Unable to mmap netmap shared memory");
me->mem = NULL;
goto error;
}
@ -125,11 +123,11 @@ static int netmap_open(NetmapPriv *me)
me->nifp = NETMAP_IF(me->mem, req.nr_offset);
me->tx = NETMAP_TXRING(me->nifp, 0);
me->rx = NETMAP_RXRING(me->nifp, 0);
return 0;
return;
error:
close(me->fd);
return -1;
}
static void netmap_send(void *opaque);
@ -438,9 +436,9 @@ static NetClientInfo net_netmap_info = {
int net_init_netmap(const NetClientOptions *opts,
const char *name, NetClientState *peer, Error **errp)
{
/* FIXME error_setg(errp, ...) on failure */
const NetdevNetmapOptions *netmap_opts = opts->u.netmap;
NetClientState *nc;
Error *err = NULL;
NetmapPriv me;
NetmapState *s;
@ -448,7 +446,9 @@ int net_init_netmap(const NetClientOptions *opts,
netmap_opts->has_devname ? netmap_opts->devname : "/dev/netmap");
/* Set default name for the port if not supplied. */
pstrcpy(me.ifname, sizeof(me.ifname), netmap_opts->ifname);
if (netmap_open(&me)) {
netmap_open(&me, &err);
if (err) {
error_propagate(errp, err);
return -1;
}
/* Create the object. */