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authorSrinivasarao P <spathi@codeaurora.org>2017-12-26 17:35:16 +0530
committerSrinivasarao P <spathi@codeaurora.org>2017-12-26 17:37:19 +0530
commit9841ef2ef2d380f47d37d5f3e505fa1bb44f9ec6 (patch)
tree49ad59fdd8941fb08eefc8383f29e576f59e766a /drivers/net/tun.c
parent202fde333dc0065e2f2ca3539f5a06a9126f896d (diff)
parent7eab308a49db1596e7dca26bbcaffdedf6818e9b (diff)
Merge android-4.4.99 (7eab308) into msm-4.4
* refs/heads/tmp-7eab308 Linux 4.4.99 misc: panel: properly restore atomic counter on error path target: Fix node_acl demo-mode + uncached dynamic shutdown regression target/iscsi: Fix iSCSI task reassignment handling brcmfmac: remove setting IBSS mode when stopping AP tipc: fix link attribute propagation bug security/keys: add CONFIG_KEYS_COMPAT to Kconfig tcp/dccp: fix other lockdep splats accessing ireq_opt tcp/dccp: fix lockdep splat in inet_csk_route_req() tcp/dccp: fix ireq->opt races ipip: only increase err_count for some certain type icmp in ipip_err ppp: fix race in ppp device destruction sctp: reset owner sk for data chunks on out queues when migrating a sock tun: allow positive return values on dev_get_valid_name() call ip6_gre: only increase err_count for some certain type icmpv6 in ip6gre_err net/unix: don't show information about sockets from other namespaces ipv6: flowlabel: do not leave opt->tot_len with garbage packet: avoid panic in packet_getsockopt() sctp: add the missing sock_owned_by_user check in sctp_icmp_redirect tun: call dev_get_valid_name() before register_netdevice() l2tp: check ps->sock before running pppol2tp_session_ioctl() tcp: fix tcp_mtu_probe() vs highest_sack tun/tap: sanitize TUNSETSNDBUF input ALSA: seq: Cancel pending autoload work at unbinding device Input: ims-psu - check if CDC union descriptor is sane usb: usbtest: fix NULL pointer dereference mac80211: don't compare TKIP TX MIC key in reinstall prevention mac80211: use constant time comparison with keys mac80211: accept key reinstall without changing anything FROMLIST: binder: fix proc->files use-after-free Change-Id: I9aaf4f803a5da1fc983879a214b2fddda7879f41 Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 89ad2b750531..1b0184b3818a 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1685,6 +1685,9 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
if (!dev)
return -ENOMEM;
+ err = dev_get_valid_name(net, dev, name);
+ if (err < 0)
+ goto err_free_dev;
dev_net_set(dev, net);
dev->rtnl_link_ops = &tun_link_ops;
@@ -2072,6 +2075,10 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
ret = -EFAULT;
break;
}
+ if (sndbuf <= 0) {
+ ret = -EINVAL;
+ break;
+ }
tun->sndbuf = sndbuf;
tun_set_sndbuf(tun);