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qemu-ga: qmp_guest_network_get_interfaces(): get rid of snprintf() + error_set()

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Convert them to error_setg_errno().

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Luiz Capitulino 2012-11-27 11:02:02 -02:00 committed by Michael Roth
parent 071673b090
commit 878a0ae0ab
1 changed files with 8 additions and 21 deletions
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29
qga/commands-posix.c
View file

@ -802,12 +802,9 @@ GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
{
GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
struct ifaddrs *ifap, *ifa;
char err_msg[512];
if (getifaddrs(&ifap) < 0) {
snprintf(err_msg, sizeof(err_msg),
"getifaddrs failed: %s", strerror(errno));
error_set(errp, QERR_QGA_COMMAND_FAILED, err_msg);
error_setg_errno(errp, errno, "getifaddrs failed");
goto error;
}
@ -843,20 +840,16 @@ GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
/* we haven't obtained HW address yet */
sock = socket(PF_INET, SOCK_STREAM, 0);
if (sock == -1) {
snprintf(err_msg, sizeof(err_msg),
"failed to create socket: %s", strerror(errno));
error_set(errp, QERR_QGA_COMMAND_FAILED, err_msg);
error_setg_errno(errp, errno, "failed to create socket");
goto error;
}
memset(&ifr, 0, sizeof(ifr));
pstrcpy(ifr.ifr_name, IF_NAMESIZE, info->value->name);
if (ioctl(sock, SIOCGIFHWADDR, &ifr) == -1) {
snprintf(err_msg, sizeof(err_msg),
"failed to get MAC address of %s: %s",
ifa->ifa_name,
strerror(errno));
error_set(errp, QERR_QGA_COMMAND_FAILED, err_msg);
error_setg_errno(errp, errno,
"failed to get MAC address of %s",
ifa->ifa_name);
goto error;
}
@ -867,9 +860,7 @@ GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
(int) mac_addr[0], (int) mac_addr[1],
(int) mac_addr[2], (int) mac_addr[3],
(int) mac_addr[4], (int) mac_addr[5]) == -1) {
snprintf(err_msg, sizeof(err_msg),
"failed to format MAC: %s", strerror(errno));
error_set(errp, QERR_QGA_COMMAND_FAILED, err_msg);
error_setg_errno(errp, errno, "failed to format MAC");
goto error;
}
@ -884,9 +875,7 @@ GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
address_item->value = g_malloc0(sizeof(*address_item->value));
p = &((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;
if (!inet_ntop(AF_INET, p, addr4, sizeof(addr4))) {
snprintf(err_msg, sizeof(err_msg),
"inet_ntop failed : %s", strerror(errno));
error_set(errp, QERR_QGA_COMMAND_FAILED, err_msg);
error_setg_errno(errp, errno, "inet_ntop failed");
goto error;
}
@ -906,9 +895,7 @@ GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
address_item->value = g_malloc0(sizeof(*address_item->value));
p = &((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr;
if (!inet_ntop(AF_INET6, p, addr6, sizeof(addr6))) {
snprintf(err_msg, sizeof(err_msg),
"inet_ntop failed : %s", strerror(errno));
error_set(errp, QERR_QGA_COMMAND_FAILED, err_msg);
error_setg_errno(errp, errno, "inet_ntop failed");
goto error;
}