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2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_paddr_thresholdsChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_auto_asconfChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_deactivate_keyChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_del_keyChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_active_keyChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_auth_keyChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Adapt sctp_setsockopt to use a kzfree for this case. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: switch sctp_setsockopt_auth_key to use memzero_explicitChristoph Hellwig
Switch from kzfree to sctp_setsockopt_auth_key + kfree to prepare for moving the kfree to common code. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_hmac_identChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_auth_chunkChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_maxburstChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_fragment_interleaveChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_contextChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_adaptation_layerChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_maxsegChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_mappedv4Christoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_associnfoChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_rtoinfoChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_nodelayChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_peer_primary_addrChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_primary_addrChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_default_sndinfoChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_default_send_paramChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_initmsgChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_partial_delivery_pointChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_delayed_ackChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_peer_addr_paramsChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_autocloseChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_eventsChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_disable_fragmentsChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to __sctp_setsockopt_connectxChristoph Hellwig
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: pass a kernel pointer to sctp_setsockopt_bindxChristoph Hellwig
Rename sctp_setsockopt_bindx_kernel back to sctp_setsockopt_bindx, and use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer in the old sctp_setsockopt_bindx. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: copy the optval from user space in sctp_setsockoptChristoph Hellwig
Prepare for for moving the copy_from_user from the individual sockopts to the main setsockopt helper. As of this commit the kopt variable is not used yet, but the following commits will start using it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19Merge branch 'sockopt-cleanups'David S. Miller
Christoph Hellwig says: ==================== sockopt cleanups this series cleans up various lose ends in the sockopt code, most importantly removing the compat_{get,set}sockopt infrastructure in favor of just using in_compat_syscall() in the few places that care. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net: make ->{get,set}sockopt in proto_ops optionalChristoph Hellwig
Just check for a NULL method instead of wiring up sock_no_{get,set}sockopt. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net/ipv6: remove compat_ipv6_{get,set}sockoptChristoph Hellwig
Handle the few cases that need special treatment in-line using in_compat_syscall(). This also removes all the now unused compat_{get,set}sockopt methods. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net/ipv6: factor out mcast join/leave setsockopt helpersChristoph Hellwig
Factor out one helper each for setting the native and compat version of the MCAST_MSFILTER option. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net/ipv6: factor out MCAST_MSFILTER setsockopt helpersChristoph Hellwig
Factor out one helper each for setting the native and compat version of the MCAST_MSFILTER option. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net/ipv6: factor out MCAST_MSFILTER getsockopt helpersChristoph Hellwig
Factor out one helper each for getting the native and compat version of the MCAST_MSFILTER option. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net/ipv4: remove compat_ip_{get,set}sockoptChristoph Hellwig
Handle the few cases that need special treatment in-line using in_compat_syscall(). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net/ipv4: factor out mcast join/leave setsockopt helpersChristoph Hellwig
Factor out one helper each for setting the native and compat version of the MCAST_MSFILTER option. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net/ipv4: factor out MCAST_MSFILTER setsockopt helpersChristoph Hellwig
Factor out one helper each for setting the native and compat version of the MCAST_MSFILTER option. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net/ipv4: factor out MCAST_MSFILTER getsockopt helpersChristoph Hellwig
Factor out one helper each for getting the native and compat version of the MCAST_MSFILTER option. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19netfilter: split nf_sockoptChristoph Hellwig
Split nf_sockopt into a getsockopt and setsockopt side as they share very little code. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19netfilter: remove the compat argument to xt_copy_counters_from_userChristoph Hellwig
Lift the in_compat_syscall() from the callers instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19netfilter: remove the compat_{get,set} methodsChristoph Hellwig
All instances handle compat sockopts via in_compat_syscall() now, so remove the compat_{get,set} methods as well as the compat_nf_{get,set}sockopt wrappers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19netfilter/ebtables: clean up compat {get, set}sockopt handlingChristoph Hellwig
Merge the native and compat {get,set}sockopt handlers using in_compat_syscall(). Note that this required moving a fair amout of code around to be done sanely. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19netfilter/ip6_tables: clean up compat {get, set}sockopt handlingChristoph Hellwig
Merge the native and compat {get,set}sockopt handlers using in_compat_syscall(). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19netfilter/ip_tables: clean up compat {get,set}sockopt handlingChristoph Hellwig
Merge the native and compat {get,set}sockopt handlers using in_compat_syscall(). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19netfilter/arp_tables: clean up compat {get, set}sockopt handlingChristoph Hellwig
Merge the native and compat {get,set}sockopt handlers using in_compat_syscall(). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net: remove compat_sys_{get,set}sockoptChristoph Hellwig
Now that the ->compat_{get,set}sockopt proto_ops methods are gone there is no good reason left to keep the compat syscalls separate. This fixes the odd use of unsigned int for the compat_setsockopt optlen and the missing sock_use_custom_sol_socket. It would also easily allow running the eBPF hooks for the compat syscalls, but such a large change in behavior does not belong into a consolidation patch like this one. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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