It will be useful in later patches to know the register access mode and
bit-shift to apply to a given input offset.
Fixes: 0642bac7da ("nvmem: imx-ocotp: add write support")
Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
i.MX7S/D have a different scheme for addressing the OTP registers inside
the OCOTP block. Currently it's possible to address the wrong OTP registers
given the disparity between IMX6 and IMX7 OTP addressing.
Since OTP programming is one-time destructive its important we restrict
this interface ASAP.
Fixes: 0642bac7da ("nvmem: imx-ocotp: add write support")
Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add eFuse driver for Socionext UniPhier series SoC.
Note that eFuse device is under soc-glue and this register
implements as read only.
Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
All nvmem drivers are supposed to set the owner field of struct
nvmem_config, but this matches nvmem->dev->driver->owner.
As far as I see in drivers/nvmem/ directory, all the drivers are
the case. So, make nvmem_register() set the nvmem's owner to the
associated driver's owner unless nvmem_config sets otherwise.
Remove .owner settings in the drivers that are now redundant.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the following sparse warnings:
drivers/nvmem/qfprom.c:23:30: warning: incorrect type in initializer (different address spaces)
drivers/nvmem/qfprom.c:23:30: expected void [noderef] <asn:2>*base
drivers/nvmem/qfprom.c:23:30: got void *context
drivers/nvmem/qfprom.c:36:30: warning: incorrect type in initializer (different address spaces)
drivers/nvmem/qfprom.c:36:30: expected void [noderef] <asn:2>*base
drivers/nvmem/qfprom.c:36:30: got void *context
drivers/nvmem/qfprom.c:76:22: warning: incorrect type in assignment (different address spaces)
drivers/nvmem/qfprom.c:76:22: expected void *static [toplevel] [assigned] priv
drivers/nvmem/qfprom.c:76:22: got void [noderef] <asn:2>*[assigned] base
The type of nvmem_config->priv is (void *), so sparse complains
about assignment of the base address with (void __iomem *) type.
Even if we cast it out, sparse still warns:
warning: cast removes address space of expression
Of course, we can shut up the sparse by marking __force, but a more
correct way is to put the base address into driver private data.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the following sparse warnings:
drivers/nvmem/mtk-efuse.c:24:30: warning: incorrect type in initializer (different address spaces)
drivers/nvmem/mtk-efuse.c:24:30: expected void [noderef] <asn:2>*base
drivers/nvmem/mtk-efuse.c:24:30: got void *context
drivers/nvmem/mtk-efuse.c:37:30: warning: incorrect type in initializer (different address spaces)
drivers/nvmem/mtk-efuse.c:37:30: expected void [noderef] <asn:2>*base
drivers/nvmem/mtk-efuse.c:37:30: got void *context
drivers/nvmem/mtk-efuse.c:69:23: warning: incorrect type in assignment (different address spaces)
drivers/nvmem/mtk-efuse.c:69:23: expected void *priv
drivers/nvmem/mtk-efuse.c:69:23: got void [noderef] <asn:2>*[assigned] base
The type of nvmem_config->priv is (void *), so sparse complains
about assignment of the base address with (void __iomem *) type.
Even if we cast it out, sparse still warns:
warning: cast removes address space of expression
Of course, we can shut up the sparse by marking __force, but a more
correct way is to put the base address into driver private data.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem_register() copies all the members of nvmem_config to
nvmem_device. So, nvmem_config is one-time use data during
probing. There is no point to keep it until the driver detach.
Using stack should be no problem because nvmem_config is pretty
small.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem_register() copies all the members of nvmem_config to
nvmem_device. So, nvmem_config is one-time use data during
probing. There is no point to keep it until the driver detach.
Using stack should be no problem because nvmem_config is pretty
small.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a ̣̣continue statement in order to avoid using a previously
free'd pointer tunnel in list_add.
Addresses-Coverity-ID: 1415336
Fixes: 9d3cce0b61 ("thunderbolt: Introduce thunderbolt bus and connection manager")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
I will be gathering Thunderbolt related patches to this git tree with
help of other Thunderbolt maintainers.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
One part of automated timer conversion tools did not take into account
void * variables when searching out prior direct timer callback usage,
which resulted in an attempt to dereference the timer field without a
proper type.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Added an additional set of trace points for when channel gets notified
or signals host.
Suggested-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add tracepoint to vmbus_on_message() which is called when we start
processing a blocking from work context.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add tracing subsystem to Hyper-V VMBus module and add tracepoint
to vmbus_on_msg_dpc() which is called when we receive a message from host.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: David Howells <dhowells@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-pcmcia@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Cliff Whickman <cpw@sgi.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Robin Holt <robinmholt@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Paul Burton <paul.burton@mips.com>
Tested-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Hyper-V allows the guest to report panic and the guest can pass additional
information. All this is logged on the host. Currently Linux is passing back
information that is not particularly useful. Make the following changes:
1. Windows uses crash MSR P0 to report bugcheck code. Follow the same
convention for Linux as well.
2. It will be useful to know the gust ID of the Linux guest that has
paniced. Pass back this information.
These changes will help in better supporting Linux on Hyper-V
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When investigating performance, it is useful to be able to look at
the number of host and guest events per-channel. This is equivalent
to per-device interrupt statistics.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We want the driver fixes in here and this resolves a merge issue with
the binder driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are a small number of patches to resolve some reported IIO and a
staging driver problem. Nothing major here, full details are in the
shortlog below.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO fixes from Greg KH:
"Here are a small number of patches to resolve some reported IIO and a
staging driver problem. Nothing major here, full details are in the
shortlog below.
All have been in linux-next with no reported issues"
* tag 'staging-4.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: bcm2835-audio: Fix memory corruption
iio: adc: at91-sama5d2_adc: fix probe error on missing trigger property
iio: adc: dln2-adc: fix build error
iio: dummy: events: Add missing break
staging: iio: ade7759: fix signed extension bug on shift of a u8
iio: pressure: zpa2326: Remove always-true check which confuses gcc
iio: proximity: as3935: noise detection + threshold changes
Here are 4 small fixes for 4.14-rc6.
3 of them are binder driver fixes for reported issues, and the last one
is a hyperv driver bugfix. Nothing major, but good fixes to get into
4.14-final.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are four small fixes for 4.14-rc6.
Three of them are binder driver fixes for reported issues, and the
last one is a hyperv driver bugfix. Nothing major, but good fixes to
get into 4.14-final.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
android: binder: Fix null ptr dereference in debug msg
android: binder: Don't get mm from task
vmbus: hvsock: add proper sync for vmbus_hvsock_device_unregister()
binder: call poll_wait() unconditionally.
Here are a small number of USB and PHY driver fixes for 4.14-rc6
There is the usual musb and xhci fixes in here, as well as some needed
phy patches. Also is a nasty regression fix for usbfs that has started
to hit a lot of people using virtual machines.
All of these have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY fixes from Greg KH:
"Here are a small number of USB and PHY driver fixes for 4.14-rc6
There is the usual musb and xhci fixes in here, as well as some needed
phy patches. Also is a nasty regression fix for usbfs that has started
to hit a lot of people using virtual machines.
All of these have been in linux-next with no reported problems"
* tag 'usb-4.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
usb: hub: Allow reset retry for USB2 devices on connect bounce
USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor()
MAINTAINERS: fix git tree url for musb module
usb: quirks: add quirk for WORLDE MINI MIDI keyboard
usb: musb: sunxi: Explicitly release USB PHY on exit
usb: musb: Check for host-mode using is_host_active() on reset interrupt
usb: musb: musb_cppi41: Configure the number of channels for DA8xx
usb: musb: musb_cppi41: Fix cppi41_set_dma_mode() for DA8xx
usb: musb: musb_cppi41: Fix the address of teardown and autoreq registers
USB: musb: fix late external abort on suspend
USB: musb: fix session-bit runtime-PM quirk
usb: cdc_acm: Add quirk for Elatec TWN3
USB: devio: Revert "USB: devio: Don't corrupt user memory"
usb: xhci: Handle error condition in xhci_stop_device()
usb: xhci: Reset halted endpoint if trb is noop
xhci: Cleanup current_cmd in xhci_cleanup_command_queue()
xhci: Identify USB 3.1 capable hosts by their port protocol capability
USB: serial: metro-usb: add MS7820 device id
phy: rockchip-typec: Check for errors from tcphy_phy_init()
phy: rockchip-typec: Don't set the aux voltage swing to 400 mV
...
Currently we assume userspace pages are always writable when doing
memory pinning. This is not true, specially since userspace applications
may allocate their memory the way they want, we have no control over it.
If a read-only page is set for pinning, currently the driver fails due
to get_user_pages_fast() refusing to map read-only pages as writable.
This patch changes this behavior, by taking the permission flags of the
pages into account in both pinning/unpinning process, as well as in the
DMA data copy-back to userpace (which we shouldn't try to do blindly,
since it will fail in case of read-only-pages).
Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Signed-off-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull input fix from Dmitry Torokhov:
"A fix for a broken commit in the previous pull breaking automatic
module loading of input handlers, such ad evdev"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: do not use property bits when generating module alias
The commit 8724ecb072 ("Input: allow matching device IDs on property
bits") started using property bits when generating module aliases for input
handlers, but did not adjust the generation of MODALIAS attribute on input
device uevents, breaking automatic module loading. Given that no handler
currently uses property bits in their module tables, let's revert this part
of the commit for now.
Reported-by: Damien Wyart <damien.wyart@gmail.com>
Tested-by: Damien Wyart <damien.wyart@gmail.com>
Fixes: 8724ecb072 ("Input: allow matching device IDs on property bits")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Pull x86 fixes from Thomas Gleixner:
"A couple of fixes addressing the following issues:
- The last polishing for the TLB code, removing the last BUG_ON() and
the debug file along with tidying up the lazy TLB code.
- Prevent triple fault on 1st Gen. 486 caused by stupidly calling the
early IDT setup after the first function which causes a fault which
should be caught by the exception table.
- Limit the mmap of /dev/mem to valid addresses
- Prevent late microcode loading on Broadwell X
- Remove a redundant assignment in the cache info code"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Limit mmap() of /dev/mem to valid physical addresses
x86/mm: Remove debug/x86/tlb_defer_switch_to_init_mm
x86/mm: Tidy up "x86/mm: Flush more aggressively in lazy TLB mode"
x86/mm/64: Remove the last VM_BUG_ON() from the TLB code
x86/microcode/intel: Disable late loading on model 79
x86/idt: Initialize early IDT before cr4_init_shadow()
x86/cpu/intel_cacheinfo: Remove redundant assignment to 'this_leaf'
Pull timer fix from Thomas Gleixner:
"A single fix to make the cs5535 clock event driver robust agaist
spurious interrupts"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clockevents/drivers/cs5535: Improve resilience to spurious interrupts
Pull smp/hotplug fix from Thomas Gleixner:
"The recent rework of the callback invocation missed to cleanup the
leftovers of the operation, so under certain circumstances a
subsequent CPU hotplug operation accesses stale data and crashes.
Clean it up."
* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Reset node state after operation
Pull perf fixes from Thomas Gleixner:
"A series of fixes for perf tooling:
- Make xyarray return the X/Y size correctly which fixes a crash in
the exit code.
- Fix the libc path in test so it works not only on Debian/Ubuntu
correctly
- Check for eBPF file existance and output a useful error message
instead of failing to compile a non existant file
- Make sure perf_hpp_fmt is not longer references before freeing it
- Use list_del_init() in the histogram code to prevent a crash when
the already deleted element is deleted again
- Remove the leftovers of the removed '-l' option
- Add reviewer entries to the MAINTAINERS file"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf test shell trace+probe_libc_inet_pton.sh: Be compatible with Debian/Ubuntu
perf xyarray: Fix wrong processing when closing evsel fd
perf buildid-list: Fix crash when processing PERF_RECORD_NAMESPACE
perf record: Fix documentation for a inexistent option '-l'
perf tools: Add long time reviewers to MAINTAINERS
perf tools: Check wether the eBPF file exists in event parsing
perf hists: Add extra integrity checks to fmt_free()
perf hists: Fix crash in perf_hpp__reset_output_field()
Pull irq fixes from Thomas Gleixner:
"A set of small fixes mostly in the irq drivers area:
- Make the tango irq chip work correctly, which requires a new
function in the generiq irq chip implementation
- A set of updates to the GIC-V3 ITS driver removing a bogus BUG_ON()
and parsing the VCPU table size correctly"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: generic chip: remove irq_gc_mask_disable_reg_and_ack()
irqchip/tango: Use irq_gc_mask_disable_and_ack_set
genirq: generic chip: Add irq_gc_mask_disable_and_ack_set()
irqchip/gic-v3-its: Add missing changes to support 52bit physical address
irqchip/gic-v3-its: Fix the incorrect parsing of VCPU table size
irqchip/gic-v3-its: Fix the incorrect BUG_ON in its_init_vpe_domain()
DT: arm,gic-v3: Update the ITS size in the examples
Pull objtool fix from Thomas Gleixner:
"Plug a memory leak in the instruction decoder"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix memory leak in decode_instructions()
Pull networking fixes from David Miller:
"A little more than usual this time around. Been travelling, so that is
part of it.
Anyways, here are the highlights:
1) Deal with memcontrol races wrt. listener dismantle, from Eric
Dumazet.
2) Handle page allocation failures properly in nfp driver, from Jaku
Kicinski.
3) Fix memory leaks in macsec, from Sabrina Dubroca.
4) Fix crashes in pppol2tp_session_ioctl(), from Guillaume Nault.
5) Several fixes in bnxt_en driver, including preventing potential
NVRAM parameter corruption from Michael Chan.
6) Fix for KRACK attacks in wireless, from Johannes Berg.
7) rtnetlink event generation fixes from Xin Long.
8) Deadlock in mlxsw driver, from Ido Schimmel.
9) Disallow arithmetic operations on context pointers in bpf, from
Jakub Kicinski.
10) Missing sock_owned_by_user() check in sctp_icmp_redirect(), from
Xin Long.
11) Only TCP is supported for sockmap, make that explicit with a
check, from John Fastabend.
12) Fix IP options state races in DCCP and TCP, from Eric Dumazet.
13) Fix panic in packet_getsockopt(), also from Eric Dumazet.
14) Add missing locked in hv_sock layer, from Dexuan Cui.
15) Various aquantia bug fixes, including several statistics handling
cures. From Igor Russkikh et al.
16) Fix arithmetic overflow in devmap code, from John Fastabend.
17) Fix busted socket memory accounting when we get a fault in the tcp
zero copy paths. From Willem de Bruijn.
18) Don't leave opt->tot_len uninitialized in ipv6, from Eric Dumazet"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (106 commits)
stmmac: Don't access tx_q->dirty_tx before netif_tx_lock
ipv6: flowlabel: do not leave opt->tot_len with garbage
of_mdio: Fix broken PHY IRQ in case of probe deferral
textsearch: fix typos in library helpers
rxrpc: Don't release call mutex on error pointer
net: stmmac: Prevent infinite loop in get_rx_timestamp_status()
net: stmmac: Fix stmmac_get_rx_hwtstamp()
net: stmmac: Add missing call to dev_kfree_skb()
mlxsw: spectrum_router: Configure TIGCR on init
mlxsw: reg: Add Tunneling IPinIP General Configuration Register
net: ethtool: remove error check for legacy setting transceiver type
soreuseport: fix initialization race
net: bridge: fix returning of vlan range op errors
sock: correct sk_wmem_queued accounting on efault in tcp zerocopy
bpf: add test cases to bpf selftests to cover all access tests
bpf: fix pattern matches for direct packet access
bpf: fix off by one for range markings with L{T, E} patterns
bpf: devmap fix arithmetic overflow in bitmap_size calculation
net: aquantia: Bad udp rate on default interrupt coalescing
net: aquantia: Enable coalescing management via ethtool interface
...
This is the possible reason for different hard to reproduce
problems on my ARMv7-SMP test system.
The symptoms are in recent kernels imprecise external aborts,
and in older kernels various kinds of network stalls and
unexpected page allocation failures.
My testing indicates that the trouble started between v4.5 and v4.6
and prevails up to v4.14.
Using the dirty_tx before acquiring the spin lock is clearly
wrong and was first introduced with v4.6.
Fixes: e3ad57c967 ("stmmac: review RX/TX ring management")
Signed-off-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
