Xie He 55791aade4 net: lapbether: Prevent racing when checking whether the netif is running ... [ Upstream commit 5acd0cfbfbb5a688da1bfb1a2152b0c855115a35 ] There are two "netif_running" checks in this driver. One is in "lapbeth_xmit" and the other is in "lapbeth_rcv". They serve to make sure that the LAPB APIs called in these functions are called before "lapb_unregister" is called by the "ndo_stop" function. However, these "netif_running" checks are unreliable, because it's possible that immediately after "netif_running" returns true, "ndo_stop" is called (which causes "lapb_unregister" to be called). This patch adds locking to make sure "lapbeth_xmit" and "lapbeth_rcv" can reliably check and ensure the netif is running while doing their work. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Xie He <xie.he.0141@gmail.com> Acked-by: Martin Schiller <ms@dev.tdt.de> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>		2021-05-20 16:07:55 +08:00
..
lmc	net: wan/lmc: unregister device when no matching device is found	2021-05-20 16:06:48 +08:00
.gitignore	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
Kconfig	wan: ds26522: select CONFIG_BITREVERSE	2021-04-12 12:51:20 +08:00
Makefile	net: wan: wanxl: use $(M68KCC) instead of $(M68KAS) for rebuilding firmware	2021-03-16 16:34:24 +08:00
c101.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
cosa.c	cosa: Add missing kfree in error path of cosa_write	2021-03-16 16:40:51 +08:00
cosa.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
dlci.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
farsync.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
farsync.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
fsl_ucc_hdlc.c	net: wan: fix error return code of uhdlc_init()	2021-04-12 12:53:23 +08:00
fsl_ucc_hdlc.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
hd64570.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
hd64570.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
hd64572.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
hd64572.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
hdlc.c	net: hdlc: In hdlc_rcv, check to make sure dev is an HDLC device	2021-03-16 16:38:17 +08:00
hdlc_cisco.c	drivers/net/wan/hdlc: Set skb->protocol before transmitting	2021-03-16 16:37:46 +08:00
hdlc_fr.c	drivers/net/wan/hdlc_fr: Correctly handle special skb->protocol values	2021-03-16 16:39:49 +08:00
hdlc_ppp.c	net: hdlc_ppp: Fix issues when mod_timer is called while timer is running	2021-04-12 12:51:09 +08:00
hdlc_raw.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
hdlc_raw_eth.c	net: hdlc_raw_eth: Clear the IFF_TX_SKB_SHARING flag after calling ether_setup	2021-03-16 16:38:17 +08:00
hdlc_x25.c	drivers/net/wan: lapb: Corrected the usage of skb_cow	2021-03-16 16:32:57 +08:00
hostess_sv11.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
ixp4xx_hss.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
lapbether.c	net: lapbether: Prevent racing when checking whether the netif is running	2021-05-20 16:07:55 +08:00
n2.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
pc300too.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
pci200syn.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
sbni.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
sbni.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
sdla.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
sealevel.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
slic_ds26522.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
slic_ds26522.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
wanxl.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
wanxl.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
wanxlfw.S	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
wanxlfw.inc_shipped	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
x25_asy.c	drivers/net/wan/x25_asy: Fix to make it work	2021-03-16 16:32:41 +08:00
x25_asy.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
z85230.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
z85230.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00