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Bruce Allan f35279d3f7 [PATCH] sunrpc: cache_register can use wrong module reference ... When registering an RPC cache, cache_register() always sets the owner as the sunrpc module. However, there are RPC caches owned by other modules. With the incorrect owner setting, the real owning module can be removed potentially with an open reference to the cache from userspace. For example, if one were to stop the nfs server and unmount the nfsd filesystem, the nfsd module could be removed eventhough rpc.idmapd had references to the idtoname and nametoid caches (i.e. /proc/net/rpc/nfs4.<cachename>/channel is still open). This resulted in a system panic on one of our machines when attempting to restart the nfs services after reloading the nfsd module. The following patch adds a 'struct module *owner' field in struct cache_detail. The owner is further assigned to the struct proc_dir_entry in cache_register() so that the module cannot be unloaded while user-space daemons have an open reference on the associated file under /proc. Signed-off-by: Bruce Allan <bwa@us.ibm.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		20 years ago
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802	[NET]: net/802: more endian annotations	20 years ago
8021q	…
appletalk	…
atm	[ATM]: net/atm/ioctl.c should #include "common.h"	20 years ago
ax25	…
bluetooth	…
bridge	[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers	20 years ago
core	Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6	20 years ago
dccp	[CCID3]: Call sk->sk_write_space(sk) when receiving a feedback packet	20 years ago
decnet	[DECNET]: Tidy send side socket SKB allocation.	20 years ago
econet	…
ethernet	…
ieee80211	[IEEE80211]: Use correct size_t printf format string in ieee80211_rx.c	20 years ago
ipv4	[TCP]: Fix TCP_OFF() bug check introduced by previous change.	20 years ago
ipv6	[IPV6]: Repair Incoming Interface Handling for Raw Socket.	20 years ago
ipx	…
irda	[IRDA]: IrDA prototype fixes	20 years ago
key	…
lapb	…
llc	…
netfilter	[NETFILTER] remove bogus hand-coded htonll() from nenetlink_queue	20 years ago
netlink	…
netrom	…
packet	…
rose	…
rxrpc	…
sched	[LIB]: Make TEXTSEARCH_BM plain tristate like the others	20 years ago
sctp	[SCTP]: net/sctp/sysctl.c should #include <net/sctp/sctp.h>	20 years ago
sunrpc	[PATCH] sunrpc: cache_register can use wrong module reference	20 years ago
unix	…
wanrouter	…
x25	…
xfrm	[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers	20 years ago
Kconfig	/spare/repo/netdev-2.6 branch 'master'	20 years ago
Makefile	/spare/repo/netdev-2.6 branch 'master'	20 years ago
TUNABLE	…
compat.c	…
nonet.c	…
socket.c	[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers	20 years ago
sysctl_net.c	…