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364b936fc3
linux/net/core
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Ben Hutchings 67ae7cf1ee ethtool: Allow zero-length register dumps again 
Some drivers (ab)use the ethtool_ops::get_regs operation to expose
only a hardware revision ID.  Commit
a77f5db361 ('ethtool: Allocate register
dump buffer with vmalloc()') had the side-effect of breaking these, as
vmalloc() returns a null pointer for size=0 whereas kmalloc() did not.

For backward-compatibility, allow zero-length dumps again.

Reported-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Cc: stable@kernel.org [2.6.37+]
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21 15:25:30 -07:00
..
datagram.c Fix a typo in datagram.c and sctp/socket.c. 2010-12-06 13:10:11 -08:00
dev_addr_lists.c net,rcu: convert call_rcu(ha_rcu_free) to kfree_rcu() 2011-05-07 22:50:52 -07:00
dev.c net: unexport netdev_fix_features() 2011-07-14 14:44:32 -07:00
drop_monitor.c net,rcu: convert call_rcu(free_dm_hw_stat) to kfree_rcu() 2011-05-07 22:50:59 -07:00
dst.c net: Abstract dst->neighbour accesses behind helpers. 2011-07-17 23:11:35 -07:00
ethtool.c ethtool: Allow zero-length register dumps again 2011-07-21 15:25:30 -07:00
fib_rules.c rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
filter.c bug.h: Move ratelimit warn interfaces to ratelimit.h 2011-05-26 15:00:31 -04:00
flow.c net: Make flow cache paths use a const struct flowi. 2011-02-22 18:44:31 -08:00
gen_estimator.c net,rcu: convert call_rcu(__gen_kill_estimator) to kfree_rcu() 2011-05-07 22:50:57 -07:00
gen_stats.c net/core: EXPORT_SYMBOL cleanups 2010-07-12 12:57:55 -07:00
iovec.c net: Limit socket I/O iovec total length to INT_MAX. 2010-10-28 11:47:52 -07:00
kmap_skb.h
link_watch.c Fix common misspellings 2011-03-31 11:26:23 -03:00
Makefile net: support time stamping in phy devices. 2010-07-18 19:15:26 -07:00
neighbour.c net: Abstract dst->neighbour accesses behind helpers. 2011-07-17 23:11:35 -07:00
net_namespace.c rtnl: provide link dump consistency info 2011-07-01 15:39:53 -07:00
net-sysfs.c net: remove /sys/class/net/*/features 2011-07-14 14:45:15 -07:00
net-sysfs.h xps: Add CONFIG_XPS 2010-11-28 18:24:14 -08:00
net-traces.c core: add tracepoints for queueing skb to rcvbuf 2011-06-21 16:06:10 -07:00
netevent.c net/core: EXPORT_SYMBOL cleanups 2010-07-12 12:57:55 -07:00
netpoll.c netpoll: Remove wrapper function netpoll_poll 2011-07-03 20:02:07 -07:00
pktgen.c pktgen: refactor pg_init() code 2011-05-22 21:01:22 -04:00
request_sock.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-12-08 13:47:38 -08:00
rtnetlink.c rtnl: provide link dump consistency info 2011-07-01 15:39:53 -07:00
scm.c Allow passing O_PATH descriptors via SCM_RIGHTS datagrams 2011-03-15 02:21:45 -04:00
skbuff.c skbuff: fix error handling in pskb_copy() 2011-07-21 14:47:54 -07:00
sock.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2011-07-08 11:03:36 -04:00
stream.c net: Fix the condition passed to sk_wait_event() 2010-10-03 20:41:32 -07:00
sysctl_net_core.c net: Kill ratelimit.h dependency in linux/net.h 2011-05-27 13:41:33 -04:00
timestamping.c net: export the receive time stamping hook for non-NAPI drivers 2011-06-20 13:56:53 -07:00
user_dma.c net/core/user_dma.c: Use frag list abstraction interfaces. 2009-06-09 00:19:10 -07:00
utils.c net: Kill ratelimit.h dependency in linux/net.h 2011-05-27 13:41:33 -04:00