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6340dcbd61
linux-stable/net
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Sven Eckelmann 6340dcbd61 batman-adv: Check ptr for NULL before reducing its refcnt 
The commit b37a466837 ("netdevice: add the case if dev is NULL") changed
the way how the NULL check for net_devices have to be handled when trying
to reduce its reference counter. Before this commit, it was the
responsibility of the caller to check whether the object is NULL or not.
But it was changed to behave more like kfree. Now the callee has to handle
the NULL-case.

The batman-adv code was scanned via cocinelle for similar places. These
were changed to use the paradigm

  @@
  identifier E, T, R, C;
  identifier put;
  @@
   void put(struct T *E)
   {
  +	if (!E)
  +		return;
  	kref_put(&E->C, R);
   }

Functions which were used in other sources files were moved to the header
to allow the compiler to inline the NULL check and the kref_put call.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2021-08-08 20:21:40 +02:00
..
6lowpan 6lowpan: Fix some typos in nhc_udp.c 2021-03-24 17:52:11 -07:00
9p 9p/trans_virtio: Fix spelling mistakes 2021-06-02 14:01:55 -07:00
802 net/802/garp: fix memleak in garp_request_join() 2021-07-01 11:21:57 -07:00
8021q dev_ioctl: split out ndo_eth_ioctl 2021-07-27 20:11:45 +01:00
appletalk net: socket: rework compat_ifreq_ioctl() 2021-07-23 14:20:25 +01:00
atm atm: Use list_for_each_entry() to simplify code in resources.c 2021-06-10 14:08:09 -07:00
ax25 ax25: use skb_expand_head 2021-08-03 11:21:39 +01:00
batman-adv batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
bluetooth TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
bpf Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-07-31 11:23:26 -07:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: fix ioctl old_deviceless bridge argument 2021-08-05 11:36:59 +01:00
caif net: fix uninit-value in caif_seqpkt_sendmsg 2021-07-15 11:08:33 -07:00
can net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
ceph Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
core net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
dcb net: dcb: Return the correct errno code 2021-06-01 17:01:33 -07:00
dccp memcg: enable accounting for inet_bin_bucket cache 2021-07-20 06:00:38 -07:00
decnet net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
dns_resolver net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
dsa net: dsa: give preference to local CPU ports 2021-08-05 11:05:48 +01:00
ethernet move netdev_boot_setup into Space.c 2021-08-03 13:05:26 +01:00
ethtool net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
hsr net: hsr: don't check sequence number if tag removal is offloaded 2021-06-16 12:13:01 -07:00
ieee802154 net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
ife net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
ipv4 net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
ipv6 net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
iucv s390: iucv: Avoid field over-reading memcpy() 2021-07-01 15:54:01 -07:00
kcm net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
key net: Remove unnecessary variables 2021-05-26 07:03:39 +02:00
l2tp l2tp: Fix spelling mistakes 2021-06-07 14:08:30 -07:00
l3mdev l3mdev: Correct function names in the kerneldoc comments 2021-03-28 17:56:55 -07:00
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
mac80211 mac80211: fix enabling 4-address mode on a sta vif after assoc 2021-07-23 10:34:13 +02:00
mac802154 net: mac802154: Fix general protection fault 2021-04-06 22:42:16 +02:00
mctp mctp: remove duplicated assignment of pointer hdr 2021-08-05 10:56:01 +01:00
mpls mpls: defer ttl decrement in mpls_forward() 2021-07-23 17:17:56 +01:00
mptcp net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
ncsi net/ncsi: add dummy response handler for Intel boards 2021-07-08 14:16:39 -07:00
netfilter net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
netlabel net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
netlink net: netlink: Remove unused function 2021-07-30 18:35:47 +02:00
netrom net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
nfc nfc: hci: pass callback data param as pointer in nci_request() 2021-08-02 15:11:37 +01:00
nsh
openvswitch openvswitch: fix sparse warning incorrect type 2021-07-27 11:48:43 +01:00
packet net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
phonet net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
psample psample: Add additional metadata attributes 2021-03-14 15:00:43 -07:00
qrtr Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-07-31 09:14:46 -07:00
rds Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
rfkill Another set of updates, all over the map: 2021-04-20 16:44:04 -07:00
rose net: rose: Fix fall-through warnings for Clang 2021-03-10 12:45:15 -08:00
rxrpc Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
sched net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
sctp sctp: fix return value check in __sctp_rcv_asconf_lookup 2021-07-28 09:25:18 +01:00
smc net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
strparser net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
sunrpc NFS client updates for Linux 5.14 2021-07-09 09:43:57 -07:00
switchdev net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge 2021-08-04 12:35:07 +01:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-07-31 09:14:46 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
unix af_unix: Add OOB support 2021-08-04 09:55:52 +01:00
vmw_vsock Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
wireless net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
x25 net: x25: Use list_for_each_entry() to simplify code in x25_route.c 2021-06-10 14:08:09 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
xfrm Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
compat.c net: Return the correct errno code 2021-06-03 15:13:56 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig mctp: Add MCTP base 2021-07-29 15:06:49 +01:00
Makefile mctp: Add MCTP base 2021-07-29 15:06:49 +01:00
socket.c mctp: Add MCTP base 2021-07-29 15:06:49 +01:00
sysctl_net.c net: Ensure net namespace isolation of sysctls 2021-04-12 13:27:11 -07:00