Changes in ppp_async.c

40dddd4b - ppp: fix ppp_async_encode() illegal access

Wed, 09 Oct 2024 18:58:02 +0000

ppp: fix ppp_async_encode() illegal accesssyzbot reported an issue in ppp_async_encode() [1]In this case, pppoe_sendmsg() is called with a zero size.Then ppp_async_encode() is called with an empty skb.BUG: KMSAN: uninit-value in ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline] BUG: KMSAN: uninit-value in ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline] ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634 ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [inline] ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304 pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379 sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113 __release_sock+0x1da/0x330 net/core/sock.c:3072 release_sock+0x6b/0x250 net/core/sock.c:3626 pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:744 ____sys_sendmsg+0x903/0xb60 net/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742 __do_sys_sendmmsg net/socket.c:2771 [inline] __se_sys_sendmmsg net/socket.c:2768 [inline] __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7fUninit was created at: slab_post_alloc_hook mm/slub.c:4092 [inline] slab_alloc_node mm/slub.c:4135 [inline] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678 alloc_skb include/linux/skbuff.h:1322 [inline] sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732 pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:744 ____sys_sendmsg+0x903/0xb60 net/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742 __do_sys_sendmmsg net/socket.c:2771 [inline] __se_sys_sendmmsg net/socket.c:2768 [inline] __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7fCPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 Not tainted 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")Reported-by: syzbot+1d121645899e7692f92a@syzkaller.appspotmail.comSigned-off-by: Eric Dumazet Reviewed-by: Simon Horman Link: https://patch.msgid.link/20241009185802.3763282-1-edumazet@google.comSigned-off-by: Jakub Kicinski List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

5f60d5f6 - move asm/unaligned.h to linux/unaligned.h

Tue, 01 Oct 2024 19:35:57 +0000

move asm/unaligned.h to linux/unaligned.hasm/unaligned.h is always an include of asm-generic/unaligned.h;might as well move that thing to linux/unaligned.h and includethat - there's nothing arch-specific in that header.auto-generated by the following:for i in `git grep -l -w asm/unaligned.h`; do sed -i -e "s/asm\/unaligned.h/linux\/unaligned.h/" $idonefor i in `git grep -l -w asm-generic/unaligned.h`; do sed -i -e "s/asm-generic\/unaligned.h/linux\/unaligned.h/" $idonegit mv include/asm-generic/unaligned.h include/linux/unaligned.hgit mv tools/include/asm-generic/unaligned.h tools/include/linux/unaligned.hsed -i -e "/unaligned.h/d" include/asm-generic/Kbuildsed -i -e "s/__ASM_GENERIC/__LINUX/" include/linux/unaligned.h tools/include/linux/unaligned.h List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

e1e5ef2a - net: fill in MODULE_DESCRIPTION()s for ppp

Wed, 14 Feb 2024 15:27:39 +0000

net: fill in MODULE_DESCRIPTION()s for pppW=1 builds now warn if module is built without a MODULE_DESCRIPTION().Add descriptions to the PPP modules.Signed-off-by: Breno Leitao Link: https://lore.kernel.org/r/20240214152741.670178-6-leitao@debian.orgSigned-off-by: Jakub Kicinski List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

cb88cb53 - ppp_async: limit MRU to 64K

Mon, 05 Feb 2024 17:10:04 +0000

ppp_async: limit MRU to 64Ksyzbot triggered a warning [1] in __alloc_pages():WARN_ON_ONCE_GFP(order > MAX_PAGE_ORDER, gfp)Willem fixed a similar issue in commit c0a2a1b0d631 ("ppp: limit MRU to 64K")Adopt the same sanity check for ppp_async_ioctl(PPPIOCSMRU)[1]: WARNING: CPU: 1 PID: 11 at mm/page_alloc.c:4543 __alloc_pages+0x308/0x698 mm/page_alloc.c:4543Modules linked in:CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023Workqueue: events_unbound flush_to_ldiscpstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 lr : __alloc_pages+0xc8/0x698 mm/page_alloc.c:4537sp : ffff800093967580x29: ffff800093967660 x28: ffff8000939675a0 x27: dfff800000000000x26: ffff70001272ceb4 x25: 0000000000000000 x24: ffff8000939675c0x23: 0000000000000000 x22: 0000000000060820 x21: 1ffff0001272ceb8x20: ffff8000939675e0 x19: 0000000000000010 x18: ffff800093967120x17: ffff800083bded5c x16: ffff80008ac97500 x15: 0000000000000005x14: 1ffff0001272cebc x13: 0000000000000000 x12: 0000000000000000x11: ffff70001272cec1 x10: 1ffff0001272cec0 x9 : 0000000000000001x8 : ffff800091c91000 x7 : 0000000000000000 x6 : 000000000000003fx5 : 00000000ffffffff x4 : 0000000000000000 x3 : 0000000000000020x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff8000939675e0Call trace: __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] __kmalloc_large_node+0xbc/0x1fc mm/slub.c:3926 __do_kmalloc_node mm/slub.c:3969 [inline] __kmalloc_node_track_caller+0x418/0x620 mm/slub.c:4001 kmalloc_reserve+0x17c/0x23c net/core/skbuff.c:590 __alloc_skb+0x1c8/0x3d8 net/core/skbuff.c:651 __netdev_alloc_skb+0xb8/0x3e8 net/core/skbuff.c:715 netdev_alloc_skb include/linux/skbuff.h:3235 [inline] dev_alloc_skb include/linux/skbuff.h:3248 [inline] ppp_async_input drivers/net/ppp/ppp_async.c:863 [inline] ppp_asynctty_receive+0x588/0x186c drivers/net/ppp/ppp_async.c:341 tty_ldisc_receive_buf+0x12c/0x15c drivers/tty/tty_buffer.c:390 tty_port_default_receive_buf+0x74/0xac drivers/tty/tty_port.c:37 receive_buf drivers/tty/tty_buffer.c:444 [inline] flush_to_ldisc+0x284/0x6e4 drivers/tty/tty_buffer.c:494 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")Reported-and-tested-by: syzbot+c5da1f087c9e4ec6c933@syzkaller.appspotmail.comSigned-off-by: Eric Dumazet Reviewed-by: Willem de Bruijn Link: https://lore.kernel.org/r/20240205171004.1059724-1-edumazet@google.comSigned-off-by: Jakub Kicinski List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

38894ff3 - ppp: Fix spelling typo in comment in ppp_async_encode()

Wed, 27 Dec 2023 01:58:31 +0000

ppp: Fix spelling typo in comment in ppp_async_encode()Fix spelling typo in commentReported-by: k2ci Signed-off-by: liyouhong Reviewed-by: Simon Horman Link: https://lore.kernel.org/r/20231227015831.289077-1-liyouhong@kylinos.cnSigned-off-by: Jakub Kicinski List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

49b8220c - tty: ldops: unify to u8

Thu, 10 Aug 2023 09:15:05 +0000

tty: ldops: unify to u8Some hooks in struct tty_ldisc_ops still reference buffers by 'unsignedchar'. Unify to 'u8' as the rest of the tty layer does.Signed-off-by: "Jiri Slaby (SUSE)" Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: Dmitry Torokhov Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20230810091510.13006-32-jirislaby@kernel.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

892bc209 - tty: use u8 for flags

Thu, 10 Aug 2023 09:14:51 +0000

tty: use u8 for flagsThis makes all those 'char's an explicit 'u8'. This is part of thecontinuing unification of chars and flags to be consistent u8.This approaches tty_port_default_receive_buf().Note that we do not change signedness as we compile with-funsigned-char.Signed-off-by: "Jiri Slaby (SUSE)" Cc: William Hubbs Cc: Chris Brannon Cc: Kirk Reiser Cc: Samuel Thibault Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: Dmitry Torokhov Cc: Arnd Bergmann Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: Max Staudt Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: Dario Binacchi Cc: Andreas Koensgen Cc: Jeremy Kerr Cc: Matt Johnston Cc: Krzysztof Kozlowski Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Acked-by: Mark Brown Link: https://lore.kernel.org/r/20230810091510.13006-18-jirislaby@kernel.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

a8d9cd23 - tty: use u8 for chars

Thu, 10 Aug 2023 09:14:50 +0000

tty: use u8 for charsThis makes all those 'unsigned char's an explicit 'u8'. This is part ofthe continuing unification of chars and flags to be consistent u8.This approaches tty_port_default_receive_buf(). Flags to be next.Signed-off-by: "Jiri Slaby (SUSE)" Cc: William Hubbs Cc: Chris Brannon Cc: Kirk Reiser Cc: Samuel Thibault Cc: Dmitry Torokhov Cc: Arnd Bergmann Cc: Max Staudt Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: Dario Binacchi Cc: Andreas Koensgen Cc: Jeremy Kerr Cc: Matt Johnston Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Peter Ujfalusi Acked-by: Mark Brown Link: https://lore.kernel.org/r/20230810091510.13006-17-jirislaby@kernel.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

e8161447 - tty: make tty_ldisc_ops::buf() hooks operate on size_t

Thu, 10 Aug 2023 09:14:49 +0000

tty: make tty_ldisc_ops::*buf*() hooks operate on size_tCount passed to tty_ldisc_ops::receive_buf*(), ::lookahead_buf(), andreturned from ::receive_buf2() is expected to be size_t. So set it tosize_t to unify with the rest of the code.Signed-off-by: "Jiri Slaby (SUSE)" Cc: William Hubbs Cc: Chris Brannon Cc: Kirk Reiser Cc: Samuel Thibault Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: Dmitry Torokhov Cc: Arnd Bergmann Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: Max Staudt Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: Dario Binacchi Cc: Andreas Koensgen Cc: Jeremy Kerr Cc: Matt Johnston Cc: Krzysztof Kozlowski Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Acked-by: Mark Brown Link: https://lore.kernel.org/r/20230810091510.13006-16-jirislaby@kernel.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

6e5710e7 - tty: remove dummy tty_ldisc_ops::poll() implementations

Thu, 10 Aug 2023 09:14:37 +0000

tty: remove dummy tty_ldisc_ops::poll() implementationstty_ldisc_ops::poll() is optional and needs not be provided. It is equalto returning 0. So remove all those from the code.Signed-off-by: "Jiri Slaby (SUSE)" Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20230810091510.13006-4-jirislaby@kernel.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

d78328bc - tty: remove file from tty_ldisc_ops::ioctl and compat_ioctl

Mon, 22 Nov 2021 09:45:29 +0000

tty: remove file from tty_ldisc_ops::ioctl and compat_ioctlAfter the previous patches, noone needs 'file' parameter in neitherioctl hook from tty_ldisc_ops. So remove 'file' from both of them.Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Andreas Koensgen Cc: Paul Mackerras Acked-by: Krzysztof Kozlowski [NFC]Acked-by: Dmitry Torokhov Acked-by: Marc Kleine-Budde Signed-off-by: Jiri Slaby Link: https://lore.kernel.org/r/20211122094529.24171-1-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

7c783601 - tty: remove file from n_tty_ioctl_helper

Tue, 14 Sep 2021 09:11:24 +0000

tty: remove file from n_tty_ioctl_helperAfter the previous patch, there are no users of 'file' inn_tty_ioctl_helper. So remove it also from there.Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: Paul Mackerras Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Krzysztof Kozlowski Acked-by: Krzysztof Kozlowski Signed-off-by: Jiri Slaby Link: https://lore.kernel.org/r/20210914091134.17426-6-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

dcc223e8 - tty: remove file from tty_mode_ioctl

Tue, 14 Sep 2021 09:11:23 +0000

tty: remove file from tty_mode_ioctlThe only user of 'file' parameter in tty_mode_ioctl is a BUG_ON check.Provided it never crashed for anyone, it's an overkill to pass theparameter to tty_mode_ioctl only for this check.If we wanted to check 'file' there, we should handle it in more gracefulway anyway. Not by a BUG == crash.Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Andreas Koensgen Cc: Paul Mackerras Acked-by: Marc Kleine-Budde Signed-off-by: Jiri Slaby Link: https://lore.kernel.org/r/20210914091134.17426-5-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

28f194da - tty: make tty_ldisc_ops::hangup return void

Tue, 14 Sep 2021 09:11:22 +0000

tty: make tty_ldisc_ops::hangup return voidThe documentation says that the return value of tty_ldisc_ops::hanguphook is ignored. And it really is, so there is no point for its returntype to be int. Switch it to void and all the hooks too.Cc: Dmitry Torokhov Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Paul Mackerras Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Peter Ujfalusi Acked-by: Dmitry Torokhov Acked-by: Mark Brown Acked-by: Marc Kleine-Budde Signed-off-by: Jiri Slaby Link: https://lore.kernel.org/r/20210914091134.17426-4-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

357a6a87 - tty: no checking of tty_unregister_ldisc

Wed, 05 May 2021 09:19:11 +0000

tty: no checking of tty_unregister_ldisctty_unregister_ldisc now returns 0 = success. No need to check thereturn value. In fact, the users only warned if an error occured anddidn't do anything useful anyway -- the ldisc module was unloaded in anycase.Signed-off-by: Jiri Slaby Cc: William Hubbs Cc: Chris Brannon Cc: Kirk Reiser Cc: Samuel Thibault Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: Arnd Bergmann Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Andreas Koensgen Cc: Paul Mackerras Cc: Rodolfo Giometti Cc: Peter Ujfalusi Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Link: https://lore.kernel.org/r/20210505091928.22010-19-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

f81ee8b8 - tty: make tty_ldisc_ops a param in tty_unregister_ldisc

Wed, 05 May 2021 09:19:09 +0000

tty: make tty_ldisc_ops a param in tty_unregister_ldiscMake tty_unregister_ldisc symmetric to tty_register_ldisc by acceptingstruct tty_ldisc_ops as a parameter instead of ldisc number. This avoidschecking of the ldisc number bounds in tty_unregister_ldisc.Signed-off-by: Jiri Slaby Cc: William Hubbs Cc: Chris Brannon Cc: Kirk Reiser Cc: Samuel Thibault Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: Dmitry Torokhov Cc: Arnd Bergmann Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: Andreas Koensgen Cc: Paul Mackerras Cc: Rodolfo Giometti Cc: Peter Ujfalusi Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Link: https://lore.kernel.org/r/20210505091928.22010-17-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

fbadf70a - tty: set tty_ldisc_ops::num statically

Wed, 05 May 2021 09:19:07 +0000

tty: set tty_ldisc_ops::num staticallyThere is no reason to pass the ldisc number to tty_register_ldiscseparately. Just set it in the already defined tty_ldisc_ops in all theldiscs.This simplifies tty_register_ldisc a bit too (no need to set the nummember there).Signed-off-by: Jiri Slaby Cc: William Hubbs Cc: Chris Brannon Cc: Kirk Reiser Cc: Samuel Thibault Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: Dmitry Torokhov Cc: Arnd Bergmann Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: Andreas Koensgen Cc: Paul Mackerras Cc: Rodolfo Giometti Cc: Peter Ujfalusi Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Link: https://lore.kernel.org/r/20210505091928.22010-15-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

0f3dcf3b - tty: make fp of tty_ldisc_ops::receive_buf{,2} const

Wed, 05 May 2021 09:19:04 +0000

tty: make fp of tty_ldisc_ops::receive_buf{,2} constChar pointer (cp) passed to tty_ldisc_ops::receive_buf{,2} is const.There is no reason for flag pointer (fp) not to be too. So switch it inthe definition and all uses.Signed-off-by: Jiri Slaby Cc: William Hubbs Cc: Chris Brannon Cc: Kirk Reiser Cc: Samuel Thibault Cc: Marcel Holtmann Cc: Johan Hedberg Cc: Luiz Augusto von Dentz Cc: Dmitry Torokhov Cc: Arnd Bergmann Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Cc: Andreas Koensgen Cc: Paul Mackerras Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Peter Ujfalusi Link: https://lore.kernel.org/r/20210505091928.22010-12-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

981b22b8 - tty: remove TTY_LDISC_MAGIC

Tue, 02 Mar 2021 06:21:38 +0000

tty: remove TTY_LDISC_MAGICFirst, it is never checked. Second, use of it as a debugging aid isat least questionable. With the current tools, I don't think anyone usedthis kind of thing for debugging purposes for years.On the top of that, e.g. serdev does not set this field of tty_ldisc_opsat all.So get rid of this legacy.Signed-off-by: Jiri Slaby Link: https://lore.kernel.org/r/20210302062214.29627-8-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/net/ppp/ppp_async.c

64ca5aba - ppp: use new tasklet API

Sat, 30 Jan 2021 23:47:25 +0000

ppp: use new tasklet APIThis converts the async and synctty drivers to use the new tasklet API ncommit 12cc923f1ccc ("tasklet: Introduce new initialization API")Signed-off-by: Emil Renner Berthing Signed-off-by: Jakub Kicinski List of files: /linux-6.15/drivers/net/ppp/ppp_async.c