By making use of GNU C's cleanup attribute handled by the
VIR_AUTOPTR macro for declaring aggregate pointer variables,
majority of the calls to *Free functions can be dropped, which
in turn leads to getting rid of most of our cleanup sections.
Signed-off-by: Sukrit Bhatnagar <skrtbhtngr@gmail.com>
---
src/util/virnetdevip.c | 130 +++++++++++++++++++------------------------------
1 file changed, 51 insertions(+), 79 deletions(-)
diff --git a/src/util/virnetdevip.c b/src/util/virnetdevip.c
index c6d6175..4a38a54 100644
--- a/src/util/virnetdevip.c
+++ b/src/util/virnetdevip.c
@@ -168,10 +168,9 @@ virNetDevIPAddrAdd(const char *ifname,
virSocketAddr *peer,
unsigned int prefix)
{
- virSocketAddr *broadcast = NULL;
- int ret = -1;
- struct nl_msg *nlmsg = NULL;
unsigned int recvbuflen;
+ VIR_AUTOPTR(virNlMsg) nlmsg = NULL;
+ VIR_AUTOPTR(virSocketAddr) broadcast = NULL;
VIR_AUTOFREE(struct nlmsghdr *) resp = NULL;
VIR_AUTOFREE(char *) ipStr = NULL;
VIR_AUTOFREE(char *) peerStr = NULL;
@@ -186,13 +185,13 @@ virNetDevIPAddrAdd(const char *ifname,
!(peer && VIR_SOCKET_ADDR_VALID(peer))) {
/* compute a broadcast address if this is IPv4 */
if (VIR_ALLOC(broadcast) < 0)
- goto cleanup;
+ return -1;
if (virSocketAddrBroadcastByPrefix(addr, prefix, broadcast) < 0) {
- virReportError(VIR_ERR_INTERNAL_ERROR,
- _("Failed to determine broadcast address for '%s/%d'"),
- ipStr, prefix);
- goto cleanup;
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Failed to determine broadcast address for '%s/%d'"),
+ ipStr, prefix);
+ return -1;
}
bcastStr = virSocketAddrFormat(broadcast);
}
@@ -206,11 +205,11 @@ virNetDevIPAddrAdd(const char *ifname,
if (!(nlmsg = virNetDevCreateNetlinkAddressMessage(RTM_NEWADDR, ifname,
addr, prefix,
broadcast, peer)))
- goto cleanup;
+ return -1;
if (virNetlinkCommand(nlmsg, &resp, &recvbuflen,
0, 0, NETLINK_ROUTE, 0) < 0)
- goto cleanup;
+ return -1;
if (virNetlinkGetErrorCode(resp, recvbuflen) < 0) {
@@ -220,14 +219,10 @@ virNetDevIPAddrAdd(const char *ifname,
peerStr ? " peer " : "", peerStr ? peerStr : "",
bcastStr ? " bcast " : "", bcastStr ? bcastStr : "",
ifname);
- goto cleanup;
+ return -1;
}
- ret = 0;
- cleanup:
- nlmsg_free(nlmsg);
- VIR_FREE(broadcast);
- return ret;
+ return 0;
}
@@ -246,30 +241,26 @@ virNetDevIPAddrDel(const char *ifname,
virSocketAddr *addr,
unsigned int prefix)
{
- int ret = -1;
- struct nl_msg *nlmsg = NULL;
unsigned int recvbuflen;
+ VIR_AUTOPTR(virNlMsg) nlmsg = NULL;
VIR_AUTOFREE(struct nlmsghdr *) resp = NULL;
if (!(nlmsg = virNetDevCreateNetlinkAddressMessage(RTM_DELADDR, ifname,
addr, prefix,
NULL, NULL)))
- goto cleanup;
+ return -1;
if (virNetlinkCommand(nlmsg, &resp, &recvbuflen, 0, 0,
NETLINK_ROUTE, 0) < 0)
- goto cleanup;
+ return -1;
if (virNetlinkGetErrorCode(resp, recvbuflen) < 0) {
virReportError(VIR_ERR_SYSTEM_ERROR,
_("Error removing IP address from %s"), ifname);
- goto cleanup;
+ return -1;
}
- ret = 0;
- cleanup:
- nlmsg_free(nlmsg);
- return ret;
+ return 0;
}
@@ -292,8 +283,6 @@ virNetDevIPRouteAdd(const char *ifname,
virSocketAddrPtr gateway,
unsigned int metric)
{
- int ret = -1;
- struct nl_msg *nlmsg = NULL;
struct nlmsghdr *resp = NULL;
unsigned int recvbuflen;
unsigned int ifindex;
@@ -304,6 +293,7 @@ virNetDevIPRouteAdd(const char *ifname,
int errCode;
virSocketAddr defaultAddr;
virSocketAddrPtr actualAddr;
+ VIR_AUTOPTR(virNlMsg) nlmsg = NULL;
VIR_AUTOFREE(char *) toStr = NULL;
VIR_AUTOFREE(char *) viaStr = NULL;
@@ -315,10 +305,10 @@ virNetDevIPRouteAdd(const char *ifname,
int family = VIR_SOCKET_ADDR_FAMILY(gateway);
if (family == AF_INET) {
if (virSocketAddrParseIPv4(&defaultAddr, VIR_SOCKET_ADDR_IPV4_ALL) < 0)
- goto cleanup;
+ return -1;
} else {
if (virSocketAddrParseIPv6(&defaultAddr, VIR_SOCKET_ADDR_IPV6_ALL) < 0)
- goto cleanup;
+ return -1;
}
actualAddr = &defaultAddr;
@@ -330,17 +320,17 @@ virNetDevIPRouteAdd(const char *ifname,
if (virNetDevGetIPAddressBinary(actualAddr, &addrData, &addrDataLen) < 0 ||
virNetDevGetIPAddressBinary(gateway, &gatewayData, &addrDataLen) < 0)
- goto cleanup;
+ return -1;
/* Get the interface index */
if ((ifindex = if_nametoindex(ifname)) == 0)
- goto cleanup;
+ return -1;
if (!(nlmsg = nlmsg_alloc_simple(RTM_NEWROUTE,
NLM_F_REQUEST | NLM_F_CREATE |
NLM_F_EXCL))) {
virReportOOMError();
- goto cleanup;
+ return -1;
}
memset(&rtmsg, 0, sizeof(rtmsg));
@@ -369,22 +359,19 @@ virNetDevIPRouteAdd(const char *ifname,
if (virNetlinkCommand(nlmsg, &resp, &recvbuflen, 0, 0,
NETLINK_ROUTE, 0) < 0)
- goto cleanup;
+ return -1;
if ((errCode = virNetlinkGetErrorCode(resp, recvbuflen)) < 0) {
virReportSystemError(errCode, _("Error adding route to %s"), ifname);
- goto cleanup;
+ return -1;
}
- ret = 0;
- cleanup:
- nlmsg_free(nlmsg);
- return ret;
+ return 0;
buffer_too_small:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("allocated netlink buffer is too small"));
- goto cleanup;
+ return -1;
}
@@ -443,12 +430,11 @@ virNetDevIPParseDadStatus(struct nlmsghdr *nlh, int len,
int
virNetDevIPWaitDadFinish(virSocketAddrPtr *addrs, size_t count)
{
- struct nl_msg *nlmsg = NULL;
struct ifaddrmsg ifa;
unsigned int recvbuflen;
- int ret = -1;
bool dad = true;
time_t max_time = time(NULL) + VIR_DAD_WAIT_TIMEOUT;
+ VIR_AUTOPTR(virNlMsg) nlmsg = NULL;
if (!(nlmsg = nlmsg_alloc_simple(RTM_GETADDR,
NLM_F_REQUEST | NLM_F_DUMP))) {
@@ -462,7 +448,7 @@ virNetDevIPWaitDadFinish(virSocketAddrPtr *addrs, size_t count)
if (nlmsg_append(nlmsg, &ifa, sizeof(ifa), NLMSG_ALIGNTO) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("allocated netlink buffer is too small"));
- goto cleanup;
+ return -1;
}
/* Periodically query netlink until DAD finishes on all known addresses. */
@@ -471,12 +457,12 @@ virNetDevIPWaitDadFinish(virSocketAddrPtr *addrs, size_t count)
if (virNetlinkCommand(nlmsg, &resp, &recvbuflen, 0, 0,
NETLINK_ROUTE, 0) < 0)
- goto cleanup;
+ return -1;
if (virNetlinkGetErrorCode(resp, recvbuflen) < 0) {
virReportError(VIR_ERR_SYSTEM_ERROR, "%s",
_("error reading DAD state information"));
- goto cleanup;
+ return -1;
}
/* Parse response. */
@@ -490,21 +476,19 @@ virNetDevIPWaitDadFinish(virSocketAddrPtr *addrs, size_t count)
_("Duplicate Address Detection "
"not finished in %d seconds"), VIR_DAD_WAIT_TIMEOUT);
} else {
- ret = 0;
+ return 0;
}
- cleanup:
- nlmsg_free(nlmsg);
- return ret;
+ return -1;
}
static int
virNetDevIPGetAcceptRA(const char *ifname)
{
+ char *suffix;
+ int accept_ra = -1;
VIR_AUTOFREE(char *) path = NULL;
VIR_AUTOFREE(char *) buf = NULL;
- char *suffix;
- int accept_ra = -1;
if (virAsprintf(&path, "/proc/sys/net/ipv6/conf/%s/accept_ra",
ifname ? ifname : "all") < 0)
@@ -553,6 +537,7 @@ virNetDevIPCheckIPv6ForwardingCallback(const struct nlmsghdr *resp,
/* Should never happen: netlink message would be broken */
if (ifname) {
VIR_AUTOFREE(char *) ifname2 = virNetDevGetName(oif);
+
VIR_WARN("Single route has unexpected 2nd interface "
"- '%s' and '%s'", ifname, ifname2);
break;
@@ -588,7 +573,6 @@ virNetDevIPCheckIPv6ForwardingCallback(const struct nlmsghdr *resp,
bool
virNetDevIPCheckIPv6Forwarding(void)
{
- struct nl_msg *nlmsg = NULL;
bool valid = false;
struct rtgenmsg genmsg;
size_t i;
@@ -597,6 +581,7 @@ virNetDevIPCheckIPv6Forwarding(void)
.devices = NULL,
.ndevices = 0
};
+ VIR_AUTOPTR(virNlMsg) nlmsg = NULL;
/* Prepare the request message */
@@ -650,7 +635,6 @@ virNetDevIPCheckIPv6Forwarding(void)
}
cleanup:
- nlmsg_free(nlmsg);
for (i = 0; i < data.ndevices; i++)
VIR_FREE(data.devices[i]);
return valid;
@@ -665,24 +649,23 @@ virNetDevIPAddrAdd(const char *ifname,
virSocketAddr *peer,
unsigned int prefix)
{
- virCommandPtr cmd = NULL;
virSocketAddr broadcast;
- int ret = -1;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
VIR_AUTOFREE(char *) addrstr = NULL;
VIR_AUTOFREE(char *) bcaststr = NULL;
VIR_AUTOFREE(char *) peerstr = NULL;
if (!(addrstr = virSocketAddrFormat(addr)))
- goto cleanup;
+ return -1;
if (peer && VIR_SOCKET_ADDR_VALID(peer) && !(peerstr = virSocketAddrFormat(peer)))
- goto cleanup;
+ return -1;
/* format up a broadcast address if this is IPv4 */
if (!peerstr && ((VIR_SOCKET_ADDR_IS_FAMILY(addr, AF_INET)) &&
((virSocketAddrBroadcastByPrefix(addr, prefix, &broadcast) < 0) ||
!(bcaststr = virSocketAddrFormat(&broadcast))))) {
- goto cleanup;
+ return -1;
}
# ifdef IFCONFIG_PATH
@@ -710,12 +693,9 @@ virNetDevIPAddrAdd(const char *ifname,
# endif
if (virCommandRun(cmd, NULL) < 0)
- goto cleanup;
+ return -1;
- ret = 0;
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return 0;
}
@@ -724,12 +704,11 @@ virNetDevIPAddrDel(const char *ifname,
virSocketAddr *addr,
unsigned int prefix)
{
- virCommandPtr cmd = NULL;
- int ret = -1;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
VIR_AUTOFREE(char *) addrstr = NULL;
if (!(addrstr = virSocketAddrFormat(addr)))
- goto cleanup;
+ return -1;
# ifdef IFCONFIG_PATH
cmd = virCommandNew(IFCONFIG_PATH);
virCommandAddArg(cmd, ifname);
@@ -747,12 +726,9 @@ virNetDevIPAddrDel(const char *ifname,
# endif
if (virCommandRun(cmd, NULL) < 0)
- goto cleanup;
+ return -1;
- ret = 0;
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return 0;
}
@@ -763,15 +739,14 @@ virNetDevIPRouteAdd(const char *ifname,
virSocketAddrPtr gateway,
unsigned int metric)
{
- virCommandPtr cmd = NULL;
- int ret = -1;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
VIR_AUTOFREE(char *) addrstr = NULL;
VIR_AUTOFREE(char *) gatewaystr = NULL;
if (!(addrstr = virSocketAddrFormat(addr)))
- goto cleanup;
+ return -1;
if (!(gatewaystr = virSocketAddrFormat(gateway)))
- goto cleanup;
+ return -1;
cmd = virCommandNew(IP_PATH);
virCommandAddArgList(cmd, "route", "add", NULL);
virCommandAddArgFormat(cmd, "%s/%u", addrstr, prefix);
@@ -780,12 +755,9 @@ virNetDevIPRouteAdd(const char *ifname,
virCommandAddArgFormat(cmd, "%u", metric);
if (virCommandRun(cmd, NULL) < 0)
- goto cleanup;
+ return -1;
- ret = 0;
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return 0;
}
--
1.8.3.1
--
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On Thu, Aug 09, 2018 at 09:42:17AM +0530, Sukrit Bhatnagar wrote:
> By making use of GNU C's cleanup attribute handled by the
> VIR_AUTOPTR macro for declaring aggregate pointer variables,
> majority of the calls to *Free functions can be dropped, which
> in turn leads to getting rid of most of our cleanup sections.
>
> Signed-off-by: Sukrit Bhatnagar <skrtbhtngr@gmail.com>
> ---
> src/util/virnetdevip.c | 130 +++++++++++++++++++------------------------------
> 1 file changed, 51 insertions(+), 79 deletions(-)
>
> diff --git a/src/util/virnetdevip.c b/src/util/virnetdevip.c
> index c6d6175..4a38a54 100644
> --- a/src/util/virnetdevip.c
> +++ b/src/util/virnetdevip.c
> @@ -168,10 +168,9 @@ virNetDevIPAddrAdd(const char *ifname,
> virSocketAddr *peer,
> unsigned int prefix)
> {
> - virSocketAddr *broadcast = NULL;
> - int ret = -1;
> - struct nl_msg *nlmsg = NULL;
> unsigned int recvbuflen;
> + VIR_AUTOPTR(virNlMsg) nlmsg = NULL;
> + VIR_AUTOPTR(virSocketAddr) broadcast = NULL;
> VIR_AUTOFREE(struct nlmsghdr *) resp = NULL;
> VIR_AUTOFREE(char *) ipStr = NULL;
> VIR_AUTOFREE(char *) peerStr = NULL;
> @@ -186,13 +185,13 @@ virNetDevIPAddrAdd(const char *ifname,
> !(peer && VIR_SOCKET_ADDR_VALID(peer))) {
> /* compute a broadcast address if this is IPv4 */
> if (VIR_ALLOC(broadcast) < 0)
> - goto cleanup;
> + return -1;
>
> if (virSocketAddrBroadcastByPrefix(addr, prefix, broadcast) < 0) {
> - virReportError(VIR_ERR_INTERNAL_ERROR,
> - _("Failed to determine broadcast address for '%s/%d'"),
> - ipStr, prefix);
> - goto cleanup;
> + virReportError(VIR_ERR_INTERNAL_ERROR,
> + _("Failed to determine broadcast address for '%s/%d'"),
> + ipStr, prefix);
> + return -1;
> }
> bcastStr = virSocketAddrFormat(broadcast);
> }
> @@ -206,11 +205,11 @@ virNetDevIPAddrAdd(const char *ifname,
> if (!(nlmsg = virNetDevCreateNetlinkAddressMessage(RTM_NEWADDR, ifname,
> addr, prefix,
> broadcast, peer)))
> - goto cleanup;
> + return -1;
>
> if (virNetlinkCommand(nlmsg, &resp, &recvbuflen,
> 0, 0, NETLINK_ROUTE, 0) < 0)
> - goto cleanup;
> + return -1;
>
>
> if (virNetlinkGetErrorCode(resp, recvbuflen) < 0) {
> @@ -220,14 +219,10 @@ virNetDevIPAddrAdd(const char *ifname,
> peerStr ? " peer " : "", peerStr ? peerStr : "",
> bcastStr ? " bcast " : "", bcastStr ? bcastStr : "",
> ifname);
> - goto cleanup;
> + return -1;
> }
>
> - ret = 0;
> - cleanup:
> - nlmsg_free(nlmsg);
> - VIR_FREE(broadcast);
> - return ret;
> + return 0;
> }
>
>
> @@ -246,30 +241,26 @@ virNetDevIPAddrDel(const char *ifname,
> virSocketAddr *addr,
> unsigned int prefix)
> {
> - int ret = -1;
> - struct nl_msg *nlmsg = NULL;
> unsigned int recvbuflen;
> + VIR_AUTOPTR(virNlMsg) nlmsg = NULL;
> VIR_AUTOFREE(struct nlmsghdr *) resp = NULL;
>
> if (!(nlmsg = virNetDevCreateNetlinkAddressMessage(RTM_DELADDR, ifname,
> addr, prefix,
> NULL, NULL)))
> - goto cleanup;
> + return -1;
>
> if (virNetlinkCommand(nlmsg, &resp, &recvbuflen, 0, 0,
> NETLINK_ROUTE, 0) < 0)
> - goto cleanup;
> + return -1;
>
> if (virNetlinkGetErrorCode(resp, recvbuflen) < 0) {
> virReportError(VIR_ERR_SYSTEM_ERROR,
> _("Error removing IP address from %s"), ifname);
> - goto cleanup;
> + return -1;
> }
>
> - ret = 0;
> - cleanup:
> - nlmsg_free(nlmsg);
> - return ret;
> + return 0;
> }
>
>
> @@ -292,8 +283,6 @@ virNetDevIPRouteAdd(const char *ifname,
> virSocketAddrPtr gateway,
> unsigned int metric)
> {
> - int ret = -1;
> - struct nl_msg *nlmsg = NULL;
> struct nlmsghdr *resp = NULL;
> unsigned int recvbuflen;
> unsigned int ifindex;
> @@ -304,6 +293,7 @@ virNetDevIPRouteAdd(const char *ifname,
> int errCode;
> virSocketAddr defaultAddr;
> virSocketAddrPtr actualAddr;
> + VIR_AUTOPTR(virNlMsg) nlmsg = NULL;
> VIR_AUTOFREE(char *) toStr = NULL;
> VIR_AUTOFREE(char *) viaStr = NULL;
>
> @@ -315,10 +305,10 @@ virNetDevIPRouteAdd(const char *ifname,
> int family = VIR_SOCKET_ADDR_FAMILY(gateway);
> if (family == AF_INET) {
> if (virSocketAddrParseIPv4(&defaultAddr, VIR_SOCKET_ADDR_IPV4_ALL) < 0)
> - goto cleanup;
> + return -1;
> } else {
> if (virSocketAddrParseIPv6(&defaultAddr, VIR_SOCKET_ADDR_IPV6_ALL) < 0)
> - goto cleanup;
> + return -1;
> }
>
> actualAddr = &defaultAddr;
> @@ -330,17 +320,17 @@ virNetDevIPRouteAdd(const char *ifname,
>
> if (virNetDevGetIPAddressBinary(actualAddr, &addrData, &addrDataLen) < 0 ||
> virNetDevGetIPAddressBinary(gateway, &gatewayData, &addrDataLen) < 0)
> - goto cleanup;
> + return -1;
>
> /* Get the interface index */
> if ((ifindex = if_nametoindex(ifname)) == 0)
> - goto cleanup;
> + return -1;
>
> if (!(nlmsg = nlmsg_alloc_simple(RTM_NEWROUTE,
> NLM_F_REQUEST | NLM_F_CREATE |
> NLM_F_EXCL))) {
> virReportOOMError();
> - goto cleanup;
> + return -1;
> }
>
> memset(&rtmsg, 0, sizeof(rtmsg));
> @@ -369,22 +359,19 @@ virNetDevIPRouteAdd(const char *ifname,
>
> if (virNetlinkCommand(nlmsg, &resp, &recvbuflen, 0, 0,
> NETLINK_ROUTE, 0) < 0)
> - goto cleanup;
> + return -1;
>
> if ((errCode = virNetlinkGetErrorCode(resp, recvbuflen)) < 0) {
> virReportSystemError(errCode, _("Error adding route to %s"), ifname);
> - goto cleanup;
> + return -1;
> }
>
> - ret = 0;
> - cleanup:
> - nlmsg_free(nlmsg);
> - return ret;
> + return 0;
>
> buffer_too_small:
> virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> _("allocated netlink buffer is too small"));
> - goto cleanup;
> + return -1;
> }
>
>
> @@ -443,12 +430,11 @@ virNetDevIPParseDadStatus(struct nlmsghdr *nlh, int len,
> int
> virNetDevIPWaitDadFinish(virSocketAddrPtr *addrs, size_t count)
> {
> - struct nl_msg *nlmsg = NULL;
> struct ifaddrmsg ifa;
> unsigned int recvbuflen;
> - int ret = -1;
> bool dad = true;
> time_t max_time = time(NULL) + VIR_DAD_WAIT_TIMEOUT;
> + VIR_AUTOPTR(virNlMsg) nlmsg = NULL;
>
> if (!(nlmsg = nlmsg_alloc_simple(RTM_GETADDR,
> NLM_F_REQUEST | NLM_F_DUMP))) {
> @@ -462,7 +448,7 @@ virNetDevIPWaitDadFinish(virSocketAddrPtr *addrs, size_t count)
> if (nlmsg_append(nlmsg, &ifa, sizeof(ifa), NLMSG_ALIGNTO) < 0) {
> virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> _("allocated netlink buffer is too small"));
> - goto cleanup;
> + return -1;
> }
>
> /* Periodically query netlink until DAD finishes on all known addresses. */
> @@ -471,12 +457,12 @@ virNetDevIPWaitDadFinish(virSocketAddrPtr *addrs, size_t count)
>
> if (virNetlinkCommand(nlmsg, &resp, &recvbuflen, 0, 0,
> NETLINK_ROUTE, 0) < 0)
> - goto cleanup;
> + return -1;
>
> if (virNetlinkGetErrorCode(resp, recvbuflen) < 0) {
> virReportError(VIR_ERR_SYSTEM_ERROR, "%s",
> _("error reading DAD state information"));
> - goto cleanup;
> + return -1;
> }
>
> /* Parse response. */
> @@ -490,21 +476,19 @@ virNetDevIPWaitDadFinish(virSocketAddrPtr *addrs, size_t count)
> _("Duplicate Address Detection "
> "not finished in %d seconds"), VIR_DAD_WAIT_TIMEOUT);
> } else {
> - ret = 0;
> + return 0;
> }
>
> - cleanup:
> - nlmsg_free(nlmsg);
> - return ret;
> + return -1;
> }
>
> static int
> virNetDevIPGetAcceptRA(const char *ifname)
> {
> + char *suffix;
> + int accept_ra = -1;
> VIR_AUTOFREE(char *) path = NULL;
> VIR_AUTOFREE(char *) buf = NULL;
> - char *suffix;
> - int accept_ra = -1;
So what's the purpose of ^this hunk? I know you'd like the macros to be ordered
at the very end of the declare block, however, that's not enough of a
justification for code movement, remember, it's nice to have, but not
absolutely required. I'll drop it locally.
>
> if (virAsprintf(&path, "/proc/sys/net/ipv6/conf/%s/accept_ra",
> ifname ? ifname : "all") < 0)
> @@ -553,6 +537,7 @@ virNetDevIPCheckIPv6ForwardingCallback(const struct nlmsghdr *resp,
> /* Should never happen: netlink message would be broken */
> if (ifname) {
> VIR_AUTOFREE(char *) ifname2 = virNetDevGetName(oif);
> +
Same ^here, I'll drop this hunk.
Apart from that:
Reviewed-by: Erik Skultety <eskultet@redhat.com>
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