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2020-07-24net: pass a sockptr_t into ->setsockoptChristoph Hellwig
Rework the remaining setsockopt code to pass a sockptr_t instead of a plain user pointer. This removes the last remaining set_fs(KERNEL_DS) outside of architecture specific code. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> [ieee802154] Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-22sctp: shrink stream outq when fails to do addstream reconfXin Long
When adding a stream with stream reconf, the new stream firstly is in CLOSED state but new out chunks can still be enqueued. Then once gets the confirmation from the peer, the state will change to OPEN. However, if the peer denies, it needs to roll back the stream. But when doing that, it only sets the stream outcnt back, and the chunks already in the new stream don't get purged. It caused these chunks can still be dequeued in sctp_outq_dequeue_data(). As its stream is still in CLOSE, the chunk will be enqueued to the head again by sctp_outq_head_data(). This chunk will never be sent out, and the chunks after it can never be dequeued. The assoc will be 'hung' in a dead loop of sending this chunk. To fix it, this patch is to purge these chunks already in the new stream by calling sctp_stream_shrink_out() when failing to do the addstream reconf. Fixes: 11ae76e67a17 ("sctp: implement receiver-side procedures for the Reconf Response Parameter") Reported-by: Ying Xu <yinxu@redhat.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-22sctp: shrink stream outq only when new outcnt < old outcntXin Long
It's not necessary to go list_for_each for outq->out_chunk_list when new outcnt >= old outcnt, as no chunk with higher sid than new (outcnt - 1) exists in the outqueue. While at it, also move the list_for_each code in a new function sctp_stream_shrink_out(), which will be used in the next patch. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19sctp: remove the out_nounlock label in sctp_setsockoptChristoph Hellwig
This is just used once, and a direct return for the redirect to the AF case is much easier to follow than jumping to the end of a very long function. 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_pf_exposeChristoph 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_ecn_supportedChristoph 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_supportedChristoph 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_eventChristoph 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_eventChristoph 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_reuse_portChristoph 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_interleaving_supportedChristoph 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_scheduler_valueChristoph 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_schedulerChristoph 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_add_streamsChristoph 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_reset_assocChristoph 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_reset_streamsChristoph 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_enable_strresetChristoph 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_reconfig_supportedChristoph 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_prinfoChristoph 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_pr_supportedChristoph 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_recvnxtinfoChristoph 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_recvrcvinfoChristoph 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_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>
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