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commit d29fcf7078bc8be2b6366cbd4418265b53c94fac upstream.
On spin lock release in rx_submit, gether_disconnect get a chance to
run, it makes port_usb NULL, rx_submit access NULL port USB, hence null
pointer crash.
Fixed by releasing the lock in rx_submit after port_usb is used.
Fixes: 2b3d942c4878 ("usb ethernet gadget: split out network core")
Cc: <stable@vger.kernel.org>
Signed-off-by: Kiruthika Varadarajan <Kiruthika.Varadarajan@harman.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c9287fa657b3328b4549c0ab39ea7f197a3d6a50 ]
list_for_each_entry_safe() is not safe for deleting entries from the
list if the spin lock, which protects it, is released and reacquired during
the list iteration. Fix this issue by replacing this construction with
a simple check if list is empty and removing the first entry in each
iteration. This is almost equivalent to a revert of the commit mentioned in
the Fixes: tag.
This patch fixes following issue:
--->8---
Unable to handle kernel NULL pointer dereference at virtual address 00000104
pgd = (ptrval)
[00000104] *pgd=00000000
Internal error: Oops: 817 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 84 Comm: kworker/1:1 Not tainted 4.20.0-rc2-next-20181114-00009-g8266b35ec404 #1061
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
Workqueue: events eth_work
PC is at rx_fill+0x60/0xac
LR is at _raw_spin_lock_irqsave+0x50/0x5c
pc : [<c065fee0>] lr : [<c0a056b8>] psr: 80000093
sp : ee7fbee8 ip : 00000100 fp : 00000000
r10: 006000c0 r9 : c10b0ab0 r8 : ee7eb5c0
r7 : ee7eb614 r6 : ee7eb5ec r5 : 000000dc r4 : ee12ac00
r3 : ee12ac24 r2 : 00000200 r1 : 60000013 r0 : ee7eb5ec
Flags: Nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none
Control: 10c5387d Table: 6d5dc04a DAC: 00000051
Process kworker/1:1 (pid: 84, stack limit = 0x(ptrval))
Stack: (0xee7fbee8 to 0xee7fc000)
...
[<c065fee0>] (rx_fill) from [<c0143b7c>] (process_one_work+0x200/0x738)
[<c0143b7c>] (process_one_work) from [<c0144118>] (worker_thread+0x2c/0x4c8)
[<c0144118>] (worker_thread) from [<c014a8a4>] (kthread+0x128/0x164)
[<c014a8a4>] (kthread) from [<c01010b4>] (ret_from_fork+0x14/0x20)
Exception stack(0xee7fbfb0 to 0xee7fbff8)
...
---[ end trace 64480bc835eba7d6 ]---
Fixes: fea14e68ff5e ("usb: gadget: u_ether: use better list accessors")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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That quirk is required to make USB Ethernet gadget working on HW that
can't cope with unaligned DMA. For some reason only f_ncm sets up that
quirk, let's setup it directly in u_ether so other network models would
have that quirk applied as well. All network models have been tested with
ChipIdea UDC driver on NVIDIA Tegra20 SoC that require DMA to be aligned.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Unless HW sets quirk_ep_out_aligned_size, gadget driver shouldn't make
any efforts towards aligning transfers. If the UDC needs, it *must*
set the quirk flag.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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We have helpers for some of these, let's rely on them instead of open
coding what they do in u_ether.c
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Generally in SysFS and ConfigFS files are new line terminated.
Also most of USB functions adds a trailing newline to each attribute.
Let's follow this convention also in ethernet functions.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here's the big set of USB/PHY patches for 4.10-rc1.
A number of new drivers are here in this set of changes. We have a new
USB controller type "mtu3", a new usb-serial driver, and the usual
churn in the gadget subsystem and the xhci host controller driver,
along with a few other new small drivers added. And lots of little
other changes all over the USB and PHY driver tree. Full details are
in the shortlog
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (309 commits)
USB: serial: option: add dlink dwm-158
USB: serial: option: add support for Telit LE922A PIDs 0x1040, 0x1041
USB: OHCI: nxp: fix code warnings
USB: OHCI: nxp: remove useless extern declaration
USB: OHCI: at91: remove useless extern declaration
usb: misc: rio500: fix result type for error message
usb: mtu3: fix U3 port link issue
usb: mtu3: enable auto switch from U3 to U2
usbip: fix warning in vhci_hcd_probe/lockdep_init_map
usb: core: usbport: Use proper LED API to fix potential crash
usbip: add missing compile time generated files to .gitignore
usb: hcd.h: construct hub class request constants from simpler constants
USB: OHCI: ohci-pxa27x: remove useless functions
USB: OHCI: omap: remove useless extern declaration
USB: OHCI: ohci-omap: remove useless functions
USB: OHCI: ohci-s3c2410: remove useless functions
USB: cdc-acm: add device id for GW Instek AFG-125
fsl/usb: Workarourd for USB erratum-A005697
usb: hub: Wait for connection to be reestablished after port reset
usbip: vudc: Refactor init_vudc_hw() to be more obvious
...
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v4.10 merge window
One big merge this time with a total of 166 non-merge commits.
Most of the work, by far, is on dwc2 this time (68.2%) with dwc3 a far
second (22.5%). The remaining 9.3% are scattered on gadget drivers.
The most important changes for dwc2 are the peripheral side DMA support
implemented by Synopsys folks and support for the new IOT dwc2
compatible core from Synopsys.
In dwc3 land we have support for high-bandwidth, high-speed isochronous
endpoints and some non-critical fixes for large scatter lists.
Apart from these, we have our usual set of cleanups, non-critical fixes,
etc.
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Several cases of bug fixes in 'net' overlapping other changes in
'net-next-.
Signed-off-by: David S. Miller <davem@davemloft.net>
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dev_kfree_skb_any() is used to free packets that are dropped by the
network stack. Therefore the function should not be used for packets
that have been successfully processed by the network stack. Instead
dev_consume_skb_any() has to be used for such consumed packets.
This separation helps to identify dropped packets.
Signed-off-by: Torsten Polle <tpolle@de.adit-jv.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Socket buffers should be linked to the (network) device that allocated
the buffers. __netdev_alloc_skb performs this task.
Signed-off-by: Torsten Polle <tpolle@de.adit-jv.com>
Signed-off-by: Jim Baxter <jim_baxter@mentor.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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According to Dave Miller "the networking stack has a
hard requirement that all SKBs which are transmitted
must have their completion signalled in a fininte
amount of time. This is because, until the SKB is
freed by the driver, it holds onto socket,
netfilter, and other subsystem resources."
In summary, this means that using TX IRQ throttling
for the networking gadgets is, at least, complex and
we should avoid it for the time being.
Cc: <stable@vger.kernel.org>
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Suggested-by: David Miller <davem@davemloft.net>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Mostly simple overlapping changes.
For example, David Ahern's adjacency list revamp in 'net-next'
conflicted with an adjacency list traversal bug fix in 'net'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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firewire-net:
- set min/max_mtu
- remove fwnet_change_mtu
nes:
- set max_mtu
- clean up nes_netdev_change_mtu
xpnet:
- set min/max_mtu
- remove xpnet_dev_change_mtu
hippi:
- set min/max_mtu
- remove hippi_change_mtu
batman-adv:
- set max_mtu
- remove batadv_interface_change_mtu
- initialization is a little async, not 100% certain that max_mtu is set
in the optimal place, don't have hardware to test with
rionet:
- set min/max_mtu
- remove rionet_change_mtu
slip:
- set min/max_mtu
- streamline sl_change_mtu
um/net_kern:
- remove pointless ndo_change_mtu
hsi/clients/ssi_protocol:
- use core MTU range checking
- remove now redundant ssip_pn_set_mtu
ipoib:
- set a default max MTU value
- Note: ipoib's actual max MTU can vary, depending on if the device is in
connected mode or not, so we'll just set the max_mtu value to the max
possible, and let the ndo_change_mtu function continue to validate any new
MTU change requests with checks for CM or not. Note that ipoib has no
min_mtu set, and thus, the network core's mtu > 0 check is the only lower
bounds here.
mptlan:
- use net core MTU range checking
- remove now redundant mpt_lan_change_mtu
fddi:
- min_mtu = 21, max_mtu = 4470
- remove now redundant fddi_change_mtu (including export)
fjes:
- min_mtu = 8192, max_mtu = 65536
- The max_mtu value is actually one over IP_MAX_MTU here, but the idea is to
get past the core net MTU range checks so fjes_change_mtu can validate a
new MTU against what it supports (see fjes_support_mtu in fjes_hw.c)
hsr:
- min_mtu = 0 (calls ether_setup, max_mtu is 1500)
f_phonet:
- min_mtu = 6, max_mtu = 65541
u_ether:
- min_mtu = 14, max_mtu = 15412
phonet/pep-gprs:
- min_mtu = 576, max_mtu = 65530
- remove redundant gprs_set_mtu
CC: netdev@vger.kernel.org
CC: linux-rdma@vger.kernel.org
CC: Stefan Richter <stefanr@s5r6.in-berlin.de>
CC: Faisal Latif <faisal.latif@intel.com>
CC: linux-rdma@vger.kernel.org
CC: Cliff Whickman <cpw@sgi.com>
CC: Robin Holt <robinmholt@gmail.com>
CC: Jes Sorensen <jes@trained-monkey.org>
CC: Marek Lindner <mareklindner@neomailbox.ch>
CC: Simon Wunderlich <sw@simonwunderlich.de>
CC: Antonio Quartulli <a@unstable.cc>
CC: Sathya Prakash <sathya.prakash@broadcom.com>
CC: Chaitra P B <chaitra.basappa@broadcom.com>
CC: Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>
CC: MPT-FusionLinux.pdl@broadcom.com
CC: Sebastian Reichel <sre@kernel.org>
CC: Felipe Balbi <balbi@kernel.org>
CC: Arvid Brodin <arvid.brodin@alten.se>
CC: Remi Denis-Courmont <courmisch@gmail.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we don't guarantee that we will always get an
interrupt at least when we're queueing our very last
request, we could fall into situation where we queue
every request with 'no_interrupt' set. This will
cause the link to get stuck.
The behavior above has been triggered with g_ether
and dwc3.
Cc: <stable@vger.kernel.org>
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This reverts commit c9ffc78745f89e300fe704348dd8e6800acf4d18 as it was
reported to be broken.
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: Jim Baxter <jim_baxter@mentor.com>
Cc: Harish Jenny K N <harish_kandiga@mentor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit incorporates findings from
https://lkml.org/lkml/2016/4/25/594
The function has been modified to make sure we hold
the dev lock when accessing the net device pointer.
Acked-by: Jim Baxter <jim_baxter@mentor.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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dev->port_usb is checked for null pointer previously, so dev->port_usb
might be null during no zlp check, fix it by adding null pointer check.
Acked-by: Jim Baxter <jim_baxter@mentor.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This patch adds a flag "no_skb_reserve" in struct eth_dev.
So, if a peripheral driver sets the quirk_avoids_skb_reserve flag,
upper network gadget drivers (e.g. f_ncm.c) can avoid skb_reserve()
calling using the flag as well.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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dev->port_usb is checked for null pointer at above code, so dev->port_usb
might be null, fix it by adding null pointer check.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Replace all trans_start updates with netif_trans_update helper.
change was done via spatch:
struct net_device *d;
@@
- d->trans_start = jiffies
+ netif_trans_update(d)
Compile tested only.
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: linux-xtensa@linux-xtensa.org
Cc: linux1394-devel@lists.sourceforge.net
Cc: linux-rdma@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: MPT-FusionLinux.pdl@broadcom.com
Cc: linux-scsi@vger.kernel.org
Cc: linux-can@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Cc: linux-hams@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Cc: linux-wireless@vger.kernel.org
Cc: linux-s390@vger.kernel.org
Cc: devel@driverdev.osuosl.org
Cc: b.a.t.m.a.n@lists.open-mesh.org
Cc: linux-bluetooth@vger.kernel.org
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The gadget ethernet driver supports changing the MTU, but only allows this
when the USB cable is removed. The comment indicates that this is because
the "peer won't know". Even if the network link is still down and only the
USB link is established, the driver won't allow the change.
Other network interfaces allow changing the MTU any time, and don't force
the link to be disabled. This makes perfect sense, because in order to be
able to negotiate the MTU, the link needs to be up.
Remove the restriction so that it is now actually possible to change the
MTU (e.g. using "ifconfig usb0 mtu 15000") without having to manually pull
the plug or change the driver's default setting.
This is especially important after commit bba787a860fa
("usb: gadget: ether: Allow jumbo frames")
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Since ep->driver_data is not used for endpoint claiming, neither for
enabled/disabled state storing, we can reduce number of places where
we read or modify it's value, as now it has no particular meaning for
function or framework logic.
In case of u_ether we only need to store in ep->driver_data pointer to
struct eth_dev, as it's used in rx_complete() and tx_complete() callbacks.
All other uses of ep->driver_data are now meaningless and can be safely
removed.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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USB network adapters support Jumbo frames. The only thing blocking
that feature is the code in the gadget driver that disposes of
packets larger than 1518 bytes, and the limit on the ioctl to set
the mtu.
This patch relaxes these limits, and allows up to 15k frames sizes.
The 15k value was chosen because 16k does not work on all platforms,
and usingclose to 16k will result in allocating 5 or 8 4k pages to
store the skb, wasting pages at no measurable performance gain.
On a topic-miami board (Zynq-7000), iperf3 performance reports:
MTU= 1500, PC-to-gadget: 139 Mbps, Gadget-to-PC: 116 Mbps
MTU=15000, PC-to-gadget: 239 Mbps, Gadget-to-PC: 361 Mbps
On boards with slower CPUs the performance improvement will be
relatively much larger, e.g. an OMAP-L138 increased from 40 to
220 Mbps using a similar patch on an 2.6.37 kernel.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Instead of custom approach the patch converts code to use %pM specifier to
print MAC.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This reverts commit a9232076374334ca2bc2a448dfde96d38a54349a.
It introduced a dead lock, and did not fix anything.
it made netif_tx_lock() be called in IRQ context, but in softirq context,
the same lock is locked without disabling IRQ. In fact, the commit a923207637
did not fix anything, since netif_stop_queue did not free the any resource
[ 10.154920] =================================
[ 10.156026] [ INFO: inconsistent lock state ]
[ 10.156026] 3.16.0-rc5+ #13 Not tainted
[ 10.156026] ---------------------------------
[ 10.156026] inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
[ 10.156026] swapper/1/0 [HC0[0]:SC1[5]:HE1:SE0] takes:
[ 10.156026] (_xmit_ETHER){?.-...}, at: [<80948b6a>] sch_direct_xmit+0x7a/0x250
[ 10.156026] {IN-HARDIRQ-W} state was registered at:
[ 10.156026] [<804811f0>] __lock_acquire+0x800/0x17a0
[ 10.156026] [<804828ba>] lock_acquire+0x6a/0xf0
[ 10.156026] [<809ed477>] _raw_spin_lock+0x27/0x40
[ 10.156026] [<8088d508>] gether_disconnect+0x68/0x280
[ 10.156026] [<8088e777>] eem_set_alt+0x37/0xc0
[ 10.156026] [<808847ce>] composite_setup+0x30e/0x1240
[ 10.156026] [<8088b8ae>] pch_udc_isr+0xa6e/0xf50
[ 10.156026] [<8048abe8>] handle_irq_event_percpu+0x38/0x1e0
[ 10.156026] [<8048adc1>] handle_irq_event+0x31/0x50
[ 10.156026] [<8048d94b>] handle_fasteoi_irq+0x6b/0x140
[ 10.156026] [<804040a5>] handle_irq+0x65/0x80
[ 10.156026] [<80403cfc>] do_IRQ+0x3c/0xc0
[ 10.156026] [<809ee6ae>] common_interrupt+0x2e/0x34
[ 10.156026] [<804668c5>] finish_task_switch+0x65/0xd0
[ 10.156026] [<809e89df>] __schedule+0x20f/0x7d0
[ 10.156026] [<809e94aa>] schedule_preempt_disabled+0x2a/0x70
[ 10.156026] [<8047bf03>] cpu_startup_entry+0x143/0x410
[ 10.156026] [<809e2e61>] rest_init+0xa1/0xb0
[ 10.156026] [<80ce2a3b>] start_kernel+0x336/0x33b
[ 10.156026] [<80ce22ab>] i386_start_kernel+0x79/0x7d
[ 10.156026] irq event stamp: 52070
[ 10.156026] hardirqs last enabled at (52070): [<809375de>] neigh_resolve_output+0xee/0x2a0
[ 10.156026] hardirqs last disabled at (52069): [<809375a8>] neigh_resolve_output+0xb8/0x2a0
[ 10.156026] softirqs last enabled at (52020): [<8044401f>] _local_bh_enable+0x1f/0x50
[ 10.156026] softirqs last disabled at (52021): [<80404036>] do_softirq_own_stack+0x26/0x30
[ 10.156026]
[ 10.156026] other info that might help us debug this:
[ 10.156026] Possible unsafe locking scenario:
[ 10.156026]
[ 10.156026] CPU0
[ 10.156026] ----
[ 10.156026] lock(_xmit_ETHER);
[ 10.156026] <Interrupt>
[ 10.156026] lock(_xmit_ETHER);
[ 10.156026]
[ 10.156026] *** DEADLOCK ***
[ 10.156026]
[ 10.156026] 4 locks held by swapper/1/0:
[ 10.156026] #0: (((&idev->mc_ifc_timer))){+.-...}, at: [<8044b100>] call_timer_fn+0x0/0x190
[ 10.156026] #1: (rcu_read_lock){......}, at: [<a0577c40>] mld_sendpack+0x0/0x590 [ipv6]
[ 10.156026] #2: (rcu_read_lock_bh){......}, at: [<a055680c>] ip6_finish_output2+0x4c/0x7f0 [ipv6]
[ 10.156026] #3: (rcu_read_lock_bh){......}, at: [<8092e510>] __dev_queue_xmit+0x0/0x5f0
[ 10.156026]
[ 10.156026] stack backtrace:
[ 10.156026] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.16.0-rc5+ #13
[ 10.156026] 811dbb10 00000000 9e919d10 809e6785 9e8b8000 9e919d3c 809e561e 80b95511
[ 10.156026] 80b9545a 80b9543d 80b95450 80b95441 80b957e4 9e8b84e0 00000002 8047f7b0
[ 10.156026] 9e919d5c 8048043b 00000002 00000000 9e8b8000 00000001 00000004 9e8b8000
[ 10.156026] Call Trace:
[ 10.156026] [<809e6785>] dump_stack+0x48/0x69
[ 10.156026] [<809e561e>] print_usage_bug+0x18f/0x19c
[ 10.156026] [<8047f7b0>] ? print_shortest_lock_dependencies+0x170/0x170
[ 10.156026] [<8048043b>] mark_lock+0x53b/0x5f0
[ 10.156026] [<804810cf>] __lock_acquire+0x6df/0x17a0
[ 10.156026] [<804828ba>] lock_acquire+0x6a/0xf0
[ 10.156026] [<80948b6a>] ? sch_direct_xmit+0x7a/0x250
[ 10.156026] [<809ed477>] _raw_spin_lock+0x27/0x40
[ 10.156026] [<80948b6a>] ? sch_direct_xmit+0x7a/0x250
[ 10.156026] [<80948b6a>] sch_direct_xmit+0x7a/0x250
[ 10.156026] [<8092e6bf>] __dev_queue_xmit+0x1af/0x5f0
[ 10.156026] [<80947fc0>] ? ether_setup+0x80/0x80
[ 10.156026] [<8092eb0f>] dev_queue_xmit+0xf/0x20
[ 10.156026] [<8093764c>] neigh_resolve_output+0x15c/0x2a0
[ 10.156026] [<a0556927>] ip6_finish_output2+0x167/0x7f0 [ipv6]
[ 10.156026] [<a0559b05>] ip6_finish_output+0x85/0x1c0 [ipv6]
[ 10.156026] [<a0559cb7>] ip6_output+0x77/0x240 [ipv6]
[ 10.156026] [<a0578163>] mld_sendpack+0x523/0x590 [ipv6]
[ 10.156026] [<80480501>] ? mark_held_locks+0x11/0x90
[ 10.156026] [<a057947d>] mld_ifc_timer_expire+0x15d/0x280 [ipv6]
[ 10.156026] [<8044b168>] call_timer_fn+0x68/0x190
[ 10.156026] [<a0579320>] ? igmp6_group_added+0x150/0x150 [ipv6]
[ 10.156026] [<8044b3fa>] run_timer_softirq+0x16a/0x240
[ 10.156026] [<a0579320>] ? igmp6_group_added+0x150/0x150 [ipv6]
[ 10.156026] [<80444984>] __do_softirq+0xd4/0x2f0
[ 10.156026] [<804448b0>] ? tasklet_action+0x100/0x100
[ 10.156026] [<80404036>] do_softirq_own_stack+0x26/0x30
[ 10.156026] <IRQ> [<80444d05>] irq_exit+0x65/0x70
[ 10.156026] [<8042d758>] smp_apic_timer_interrupt+0x38/0x50
[ 10.156026] [<809ee91f>] apic_timer_interrupt+0x2f/0x34
[ 10.156026] [<8048007b>] ? mark_lock+0x17b/0x5f0
[ 10.156026] [<8040a912>] ? default_idle+0x22/0xf0
[ 10.156026] [<8040b13e>] arch_cpu_idle+0xe/0x10
[ 10.156026] [<8047bfc6>] cpu_startup_entry+0x206/0x410
[ 10.156026] [<8042bfbd>] start_secondary+0x19d/0x1e0
Acked-by: Tony Lindgren <tony@atomide.com>
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jeff Westfahl <jeff.westfahl@ni.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v3.17 merge window
Surprisingly enough, while a big set of patches, the majority is
composed of cleanups (using devm_*, fixing sparse errors, moving
code around, adding const, etc).
The highlights are addition of new support for PLX USB338x devices,
and support for USB 2.0-only configurations of the DWC3 IP core.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the USB functions implementations into a separate directory.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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