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Johan Hovold 76c389ca13 NFC: fix device-allocation error return 
commit c45e3e4c5b upstream.

A recent change fixing NFC device allocation itself introduced an
error-handling bug by returning an error pointer in case device-id
allocation failed. This is clearly broken as the callers still expected
NULL to be returned on errors as detected by Dan's static checker.

Fix this up by returning NULL in the event that we've run out of memory
when allocating a new device id.

Note that the offending commit is marked for stable (3.8) so this fix
needs to be backported along with it.

Fixes: 20777bc57c ("NFC: fix broken device allocation")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-30 08:37:23 +00:00
..
6lowpan 6lowpan: put mcast compression in an own function 2015-10-21 00:49:25 +02:00
9p p9_client_readdir() fix 2017-05-02 21:19:55 -07:00
802
8021q vlan: fix a use-after-free in vlan_device_event() 2017-11-24 08:32:24 +01:00
appletalk
atm atm: deal with setting entry before mkip was called 2015-09-17 22:13:32 -07:00
ax25 ax25: Fix segfault after sock connection timeout 2017-02-04 09:45:09 +01:00
batman-adv batman-adv: Check for alloc errors when preparing TT local data 2016-12-15 08:49:23 -08:00
bluetooth Bluetooth: Properly check L2CAP config option output buffer length 2017-09-13 14:09:46 -07:00
bridge bridge: netlink: register netdevice before executing changelink 2017-10-08 10:14:19 +02:00
caif net: caif: Fix a sleep-in-atomic bug in cfpkt_create_pfx 2017-07-05 14:37:14 +02:00
can can: Fix kernel panic at security_sock_rcv_skb 2017-02-18 16:39:26 +01:00
ceph libceph: force GFP_NOIO for socket allocations 2017-04-08 09:53:30 +02:00
core netfilter/ipvs: clear ipvs_property flag when SKB net namespace changed 2017-11-24 08:32:24 +01:00
dcb net/dcb: make dcbnl.c explicitly non-modular 2015-10-09 07:52:27 -07:00
dccp tcp/dccp: fix other lockdep splats accessing ireq_opt 2017-11-18 11:11:07 +01:00
decnet decnet: always not take dst->__refcnt when inserting dst into hash table 2017-07-05 14:37:14 +02:00
dns_resolver KEYS: Fix race between updating and finding a negative key 2017-10-27 10:23:18 +02:00
dsa net: dsa: select NET_SWITCHDEV 2017-11-15 17:13:11 +01:00
ethernet net: introduce device min_header_len 2017-02-18 16:39:27 +01:00
hsr net/hsr: fix a warning message 2015-11-23 14:56:15 -05:00
ieee802154 Revert "net: fix percpu memory leaks" 2017-09-27 11:00:11 +02:00
ipv4 tcp: do not mangle skb->cb[] in tcp_make_synack() 2017-11-24 08:32:23 +01:00
ipv6 ipv6: only call ip6_route_dev_notify() once for NETDEV_UNREGISTER 2017-11-30 08:37:18 +00:00
ipx ipx: call ipxitf_put() in ioctl error path 2017-05-25 14:30:13 +02:00
irda irda: do not leak initialized list.dev to userspace 2017-08-30 10:19:21 +02:00
iucv af_iucv: Validate socket address length in iucv_sock_bind() 2016-03-03 15:07:03 -08:00
key af_key: do not use GFP_KERNEL in atomic contexts 2017-08-30 10:19:18 +02:00
l2tp l2tp: check ps->sock before running pppol2tp_session_ioctl() 2017-11-18 11:11:05 +01:00
l3mdev net: Add netif_is_l3_slave 2015-10-07 04:27:43 -07:00
lapb
llc net/llc: avoid BUG_ON() in skb_orphan() 2017-02-26 11:07:49 +01:00
mac80211 mac80211: don't compare TKIP TX MIC key in reinstall prevention 2017-11-18 11:11:05 +01:00
mac802154 mac802154: llsec: use kzfree 2015-10-21 00:49:24 +02:00
mpls mpls: Send route delete notifications when router module is unloaded 2017-03-22 12:04:16 +01:00
netfilter netfilter: nft_meta: deal with PACKET_LOOPBACK in netdev family 2017-11-15 17:13:10 +01:00
netlabel netlabel: add address family checks to netlbl_{sock,req}_delattr() 2016-08-20 18:09:22 +02:00
netlink af_netlink: ensure that NLMSG_DONE never fails in dumps 2017-11-24 08:32:24 +01:00
netrom
nfc NFC: fix device-allocation error return 2017-11-30 08:37:23 +00:00
openvswitch openvswitch: fix potential out of bound access in parse_ct 2017-08-11 09:08:53 -07:00
packet packet: avoid panic in packet_getsockopt() 2017-11-18 11:11:06 +01:00
phonet phonet: properly unshare skbs in phonet_rcv() 2016-01-31 11:29:00 -08:00
rds rds: ib: add error handle 2017-10-08 10:14:19 +02:00
rfkill rfkill: fix rfkill_fop_read wait_event usage 2016-03-03 15:07:26 -08:00
rose
rxrpc rxrpc: Fix several cases where a padded len isn't checked in ticket decode 2017-06-29 12:48:52 +02:00
sched net: sched: fix NULL pointer dereference when action calls some targets 2017-08-30 10:19:21 +02:00
sctp net/sctp: Always set scope_id in sctp_inet6_skb_msgname 2017-11-24 08:32:24 +01:00
sunrpc SUNRPC: fix refcounting problems with auth_gss messages. 2017-04-21 09:30:08 +02:00
switchdev switchdev: pass pointer to fib_info instead of copy 2016-06-24 10:18:16 -07:00
tipc tipc: fix link attribute propagation bug 2017-11-18 11:11:07 +01:00
unix net/unix: don't show information about sockets from other namespaces 2017-11-18 11:11:06 +01:00
vmw_vsock vsock: use new wait API for vsock_stream_sendmsg() 2017-11-30 08:37:19 +00:00
wimax net:wimax: Fix doucble word "the the" in networking.xml 2015-08-09 22:43:52 -07:00
wireless nl80211: Define policy for packet pattern attributes 2017-10-18 09:20:41 +02:00
x25 net: fix a kernel infoleak in x25 module 2016-05-18 17:06:43 -07:00
xfrm xfrm: policy: check policy direction value 2017-09-07 08:34:09 +02:00
compat.c audit: log 32-bit socketcalls 2017-10-08 10:14:18 +02:00
Kconfig net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
Makefile net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
socket.c net: socket: fix recvmmsg not returning error from sock_error 2017-02-26 11:07:50 +01:00
sysctl_net.c net: Use ns_capable_noaudit() when determining net sysctl permissions 2016-09-15 08:27:50 +02:00