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Conrad Meyer dcbee68850 radix_mpath: Don't derefence a NULL pointer in for loop iteration 
It seems rn_dupedkey may be NULL, because of the NULL check inside the loop.
(Also, the rt gets assigned from rn_dupedkey and NULL checked at top of loop.)
However, the for-loop update condition happens before the top-of-loop check and
dereferences 'rt' unconditionally.

Instead, NULL-check before dereferencing.

If rn_dupedkey cannot in fact be NULL, or something else protects this, feel
free to revert this and add an ASSERT of some kind instead.

This was introduced in r191080 (2009) and moved around slightly in r293657.

Reported by:	Coverity
CID:		1348482
Sponsored by:	EMC / Isilon Storage Division
2016-04-26 20:27:17 +00:00
..
altq
Fix the spelling of eri's name.
2015-08-24 23:40:36 +00:00
bpf_buffer.c
Remove the sleep from the buffer allocation routine.
2015-07-31 20:25:54 +00:00
bpf_buffer.h
…
bpf_filter.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
bpf_jitter.c
…
bpf_jitter.h
…
bpf_zerocopy.c
…
bpf_zerocopy.h
…
bpf.c
sys: use our roundup2/rounddown2() macros when param.h is available.
2016-04-21 19:57:40 +00:00
bpf.h
During if_vmove() we call if_detach_internal() which in turn calls the event
2016-04-11 10:00:38 +00:00
bpfdesc.h
…
bridgestp.c
These files were getting sys/malloc.h and vm/uma.h with header pollution
2016-02-01 17:41:21 +00:00
bridgestp.h
…
ethernet.h
Add ethertype reserved for network testing
2016-03-28 18:25:54 +00:00
fddi.h
…
firewire.h
…
flowtable.c
Implement interface link header precomputation API.
2015-12-31 05:03:27 +00:00
flowtable.h
…
ieee8023ad_lacp.c
Add sysctl to control LACP strict compliance default
2015-11-06 15:33:27 +00:00
ieee8023ad_lacp.h
Make LAG LACP fast timeout tunable through IOCTL.
2015-08-12 20:21:04 +00:00
ieee_oui.h
…
if_arc.h
…
if_arcsubr.c
sys: extend use of the howmany() macro when available.
2016-04-26 15:38:17 +00:00
if_arp.h
…
if_atm.h
…
if_atmsubr.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if_bridge.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if_bridgevar.h
…
if_clone.c
…
if_clone.h
…
if_dead.c
…
if_debug.c
Add more fields from struct ifnet needed during debugging a kernel panic.
2016-04-20 21:04:39 +00:00
if_disc.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if_dl.h
Constantify lookup key in ifa_ifwith* functions.
2015-09-05 05:33:20 +00:00
if_edsc.c
…
if_enc.c
Just checkpoint the WIP in order to be able to make the tree update
2016-01-22 15:00:01 +00:00
if_enc.h
Overhaul if_enc(4) and make it loadable in run-time.
2015-11-25 07:31:59 +00:00
if_epair.c
These files were getting sys/malloc.h and vm/uma.h with header pollution
2016-02-01 17:41:21 +00:00
if_ethersubr.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if_fddisubr.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if_fwsubr.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if_gif.c
Cleanup unnecessary semicolons from the kernel.
2016-04-10 23:07:00 +00:00
if_gif.h
- Remove GIF_{SEND,ACCEPT}_REVETHIP.
2015-09-10 05:59:39 +00:00
if_gre.c
Cleanup unnecessary semicolons from the kernel.
2016-04-10 23:07:00 +00:00
if_gre.h
…
if_iso88025subr.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if_lagg.c
Revert accidental submit of WIP as part of r297609
2016-04-06 04:58:20 +00:00
if_lagg.h
Revert accidental submit of WIP as part of r297609
2016-04-06 04:58:20 +00:00
if_llatbl.c
Implement interface link header precomputation API.
2015-12-31 05:03:27 +00:00
if_llatbl.h
Implement interface link header precomputation API.
2015-12-31 05:03:27 +00:00
if_llc.h
…
if_loop.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if_me.c
Add IFCAP_LINKSTATE support.
2015-10-03 09:15:23 +00:00
if_media.c
Make IFMEDIA_DEBUG a kernel option.
2015-04-21 10:35:23 +00:00
if_media.h
ifmedia changes:
2015-04-07 21:31:17 +00:00
if_mib.c
These files were getting sys/malloc.h and vm/uma.h with header pollution
2016-02-01 17:41:21 +00:00
if_mib.h
…
if_pflog.h
…
if_pfsync.h
…
if_sppp.h
…
if_spppfr.c
…
if_spppsubr.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if_stf.c
Convert if_stf(4) to new routing api.
2015-12-16 09:18:20 +00:00
if_tap.c
if_tap: correct typo in sysctl description (Enably)
2015-10-21 19:56:16 +00:00
if_tap.h
…
if_tapvar.h
…
if_tun.c
* Address review (and add a bit myself).
2015-07-12 18:14:38 +00:00
if_tun.h
…
if_types.h
After r281643 an #ifdef IFT_FOO preprocessor directive returns false,
2015-05-02 20:37:40 +00:00
if_var.h
Implement interface link header precomputation API.
2015-12-31 05:03:27 +00:00
if_vlan_var.h
…
if_vlan.c
Move iflladdr_event eventhandler invocation to if_setlladdr.
2015-11-14 13:34:03 +00:00
if_vxlan.c
…
if_vxlan.h
…
if.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
if.h
…
ifq.h
buf_ring/drbr: Add buf_ring_peek_clear_sc and use it in drbr_peek
2016-02-29 03:54:51 +00:00
iso88025.h
…
netisr_internal.h
…
netisr.c
Remove slightly used const values that can be replaced with nitems().
2016-04-21 15:38:28 +00:00
netisr.h
…
netmap_user.h
Sync netmap sources with the version in our private tree.
2015-07-10 05:51:36 +00:00
netmap.h
Sync netmap sources with the version in our private tree.
2015-07-10 05:51:36 +00:00
paravirt.h
…
pfil.c
Just checkpoint the WIP in order to be able to make the tree update
2016-01-22 15:00:01 +00:00
pfil.h
…
pfkeyv2.h
Implement the sadb_x_policy_priority field as it is done in Linux:
2015-11-17 14:39:33 +00:00
pfvar.h
These files were getting sys/malloc.h and vm/uma.h with header pollution
2016-02-01 17:41:21 +00:00
ppp_defs.h
…
radix_mpath.c
radix_mpath: Don't derefence a NULL pointer in for loop iteration
2016-04-26 20:27:17 +00:00
radix_mpath.h
MFP r287070,r287073: split radix implementation and route table structure.
2016-01-25 06:33:15 +00:00
radix.c
radix rn_inithead: Fix minor leak in low memory conditions
2016-04-20 02:01:45 +00:00
radix.h
MFP r287070,r287073: split radix implementation and route table structure.
2016-01-25 06:33:15 +00:00
raw_cb.c
…
raw_cb.h
…
raw_usrreq.c
sys/net* : for pointers replace 0 with NULL.
2016-04-15 17:30:33 +00:00
route_var.h
FreeBSD previously provided route caching for TCP (and UDP). Re-add
2016-03-24 07:54:56 +00:00
route.c
Fix compile errors after r297225:
2016-03-24 11:40:10 +00:00
route.h
Fix compile errors after r297225:
2016-03-24 11:40:10 +00:00
rss_config.c
Remove now unused (and #if 0'ed out) headers.
2015-08-29 04:33:31 +00:00
rss_config.h
Replace the printf()s with optional rate limited debugging for RSS.
2015-08-28 05:58:16 +00:00
rtsock.c
kernel: use our nitems() macro when it is available through param.h.
2016-04-19 23:48:27 +00:00
sff8436.h
Add SFF-8024 Extended Specification Compliance
2015-12-28 09:26:07 +00:00
sff8472.h
* Update SFF-8024 Identifier constants.
2015-05-16 13:11:35 +00:00
slcompress.c
…
slcompress.h
…
toeplitz.c
…
toeplitz.h
…
vnet.c
MfH @r295202
2016-02-03 11:49:51 +00:00
vnet.h
Provide TCPSTAT_DEC() and TCPSTAT_FETCH() macros.
2016-01-27 00:20:07 +00:00