From f953dfc8e01426ce93588e9013c112e48a9a8463 Mon Sep 17 00:00:00 2001 From: Steven Date: Thu, 30 Nov 2017 16:56:54 -0800 Subject: virtio: fix coverity warnings Fix 3 coverity warnings 1. api_format.c: init net_ns = 0 and remove its corresponding vec_add and vec_free 2. netlink.c (reported in tap.c before the code was removed): resource leaked due to fd is not close 3. tap.c: subtract 1 for size when calling strncpy to accommodate the terminated NULL character Change-Id: Iff4e66604862f0c06dac227b8cfd48d3979e41a5 Signed-off-by: Steven --- src/vnet/devices/netlink.c | 11 ++++++----- src/vnet/devices/virtio/tap.c | 2 +- 2 files changed, 7 insertions(+), 6 deletions(-) (limited to 'src/vnet/devices') diff --git a/src/vnet/devices/netlink.c b/src/vnet/devices/netlink.c index b2a651348a3..b05daf2674a 100644 --- a/src/vnet/devices/netlink.c +++ b/src/vnet/devices/netlink.c @@ -48,16 +48,16 @@ vnet_netlink_set_if_attr (int ifindex, unsigned short rta_type, void *data, memset (&req, 0, sizeof (req)); if ((sock = socket (AF_NETLINK, SOCK_RAW, NETLINK_ROUTE)) == -1) - { - err = clib_error_return_unix (0, "socket(AF_NETLINK)"); - goto error; - } + return clib_error_return_unix (0, "socket(AF_NETLINK)"); ra.nl_family = AF_NETLINK; ra.nl_pid = getpid (); if ((bind (sock, (struct sockaddr *) &ra, sizeof (ra))) == -1) - return clib_error_return_unix (0, "bind"); + { + err = clib_error_return_unix (0, "bind"); + goto error; + } req.nh.nlmsg_len = NLMSG_LENGTH (sizeof (struct ifinfomsg)); req.nh.nlmsg_flags = NLM_F_REQUEST; @@ -75,6 +75,7 @@ vnet_netlink_set_if_attr (int ifindex, unsigned short rta_type, void *data, err = clib_error_return_unix (0, "send"); error: + close (sock); return err; } diff --git a/src/vnet/devices/virtio/tap.c b/src/vnet/devices/virtio/tap.c index f6db2c90616..34339c95737 100644 --- a/src/vnet/devices/virtio/tap.c +++ b/src/vnet/devices/virtio/tap.c @@ -109,7 +109,7 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) } ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_ONE_QUEUE | IFF_VNET_HDR; - strncpy (ifr.ifr_ifrn.ifrn_name, (char *) args->name, IF_NAMESIZE); + strncpy (ifr.ifr_ifrn.ifrn_name, (char *) args->name, IF_NAMESIZE - 1); _IOCTL (vif->tap_fd, TUNSETIFF, (void *) &ifr); vif->ifindex = if_nametoindex ((char *) args->name); -- cgit 1.2.3-korg