diff options
Diffstat (limited to 'net/tap.c')
-rw-r--r-- | net/tap.c | 22 |
1 files changed, 16 insertions, 6 deletions
@@ -787,8 +787,8 @@ int net_init_tap(const Netdev *netdev, const char *name, return -1; } } else if (tap->has_fds) { - char **fds = g_new(char *, MAX_TAP_QUEUES); - char **vhost_fds = g_new(char *, MAX_TAP_QUEUES); + char **fds = g_new0(char *, MAX_TAP_QUEUES); + char **vhost_fds = g_new0(char *, MAX_TAP_QUEUES); int nfds, nvhosts; if (tap->has_ifname || tap->has_script || tap->has_downscript || @@ -806,7 +806,7 @@ int net_init_tap(const Netdev *netdev, const char *name, if (nfds != nvhosts) { error_setg(errp, "The number of fds passed does not match " "the number of vhostfds passed"); - return -1; + goto free_fail; } } @@ -814,7 +814,7 @@ int net_init_tap(const Netdev *netdev, const char *name, fd = monitor_fd_param(cur_mon, fds[i], &err); if (fd == -1) { error_propagate(errp, err); - return -1; + goto free_fail; } fcntl(fd, F_SETFL, O_NONBLOCK); @@ -824,7 +824,7 @@ int net_init_tap(const Netdev *netdev, const char *name, } else if (vnet_hdr != tap_probe_vnet_hdr(fd)) { error_setg(errp, "vnet_hdr not consistent across given tap fds"); - return -1; + goto free_fail; } net_init_tap_one(tap, peer, "tap", name, ifname, @@ -833,11 +833,21 @@ int net_init_tap(const Netdev *netdev, const char *name, vnet_hdr, fd, &err); if (err) { error_propagate(errp, err); - return -1; + goto free_fail; } } g_free(fds); g_free(vhost_fds); + return 0; + +free_fail: + for (i = 0; i < nfds; i++) { + g_free(fds[i]); + g_free(vhost_fds[i]); + } + g_free(fds); + g_free(vhost_fds); + return -1; } else if (tap->has_helper) { if (tap->has_ifname || tap->has_script || tap->has_downscript || tap->has_vnet_hdr || tap->has_queues || tap->has_vhostfds) { |