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-rw-r--r--net/tap.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/net/tap.c b/net/tap.c
index e9c32f3a44..6a2cedcfb1 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -787,8 +787,8 @@ int net_init_tap(const NetClientOptions *opts, 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 NetClientOptions *opts, 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 NetClientOptions *opts, 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 NetClientOptions *opts, 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 NetClientOptions *opts, 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) {