It will always be passed if the soc is tested the loopback cases. This
patch will fix this bug.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
According to Documentation/power/devices.txt
The driver should not use device_set_wakeup_enable() which is the policy
for user to decide.
Using device_init_wakeup() to initialize dev->power.should_wakeup and
dev->power.can_wakeup on driver initialization.
And use device_may_wakeup() on suspend to decide if WoL function should
be enabled on NIC.
Reported-by: Diego Viola <diego.viola@gmail.com>
Signed-off-by: Guo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Otherwise it might be back on resume right after going to suspend in
some hardware.
Reported-by: Diego Viola <diego.viola@gmail.com>
Signed-off-by: Guo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
During hot add, vmbus_device_register() is called from vmbus_onoffer(), on
the same workqueue as the subchannel offer message work-queue, so
subchannel offer won't be processed until the vmbus_device_register()/...
/netvsc_probe() is done.
Also, vmbus_device_register() is called with channel_mutex locked, which
prevents subchannel processing too. So the "waiting for sub-channel
processing" will not success in hot add case. But, in usual module loading,
the netvsc_probe() is called from different code path, and doesn't fail.
This patch resolves the deadlock during NIC hot-add, and speeds up NIC
loading time.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IPv4 interprets a negative return value from a protocol handler as a
request to redispatch to a new protocol. In contrast, IPv6 interprets a
negative value as an error, and interprets a positive value as a request
for redispatch.
UDP for IPv6 was unaware of this difference. Change __udp6_lib_rcv() to
return a positive value for redispatch. Note that the socket's
encap_rcv hook still needs to return a negative value to request
dispatch, and in the case of IPv6 packets, adjust IP6CB(skb)->nhoff to
identify the byte containing the next protocol.
Signed-off-by: Bill Sommerfeld <wsommerfeld@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The adapter->pcicfg resource is either mapped via pci_iomap() or
derived from adapter->db. During be_remove() this resource was ignored
and so could remain mapped after remove.
Add a flag to track whether adapter->pcicfg was mapped or not, then
use that flag in be_unmap_pci_bars() to unmap if required.
Fixes: 25848c901 ("use PCI MMIO read instead of config read for errors")
Signed-off-by: Douglas Miller <dougmill@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
vmxnet3 has a function vmxnet3_parse_and_copy_hdr which, among other operations,
uses pskb_may_pull to linearize the header portion of an skb. That operation
eventually uses local_bh_disable/enable to ensure that it doesn't race with the
drivers bottom half handler. Unfortunately, vmxnet3 preforms this
parse_and_copy operation with a spinlock held and interrupts disabled. This
causes us to run afoul of the WARN_ON_ONCE(irqs_disabled()) warning in
local_bh_enable, resulting in this:
WARNING: at kernel/softirq.c:159 local_bh_enable+0x59/0x90() (Not tainted)
Hardware name: VMware Virtual Platform
Modules linked in: ipv6 ppdev parport_pc parport microcode e1000 vmware_balloon
vmxnet3 i2c_piix4 sg ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom mptspi
mptscsih mptbase scsi_transport_spi pata_acpi ata_generic ata_piix vmwgfx ttm
drm_kms_helper drm i2c_core dm_mirror dm_region_hash dm_log dm_mod [last
unloaded: mperf]
Pid: 6229, comm: sshd Not tainted 2.6.32-616.el6.i686 #1
Call Trace:
[<c04624d9>] ? warn_slowpath_common+0x89/0xe0
[<c0469e99>] ? local_bh_enable+0x59/0x90
[<c046254b>] ? warn_slowpath_null+0x1b/0x20
[<c0469e99>] ? local_bh_enable+0x59/0x90
[<c07bb936>] ? skb_copy_bits+0x126/0x210
[<f8d1d9fe>] ? ext4_ext_find_extent+0x24e/0x2d0 [ext4]
[<c07bc49e>] ? __pskb_pull_tail+0x6e/0x2b0
[<f95a6164>] ? vmxnet3_xmit_frame+0xba4/0xef0 [vmxnet3]
[<c05d15a6>] ? selinux_ip_postroute+0x56/0x320
[<c0615988>] ? cfq_add_rq_rb+0x98/0x110
[<c0852df8>] ? packet_rcv+0x48/0x350
[<c07c5839>] ? dev_queue_xmit_nit+0xc9/0x140
...
Fix it by splitting vmxnet3_parse_and_copy_hdr into two functions:
vmxnet3_parse_hdr, which sets up the internal/on stack ctx datastructure, and
pulls the skb (both of which can be done without holding the spinlock with irqs
disabled
and
vmxnet3_copy_header, which just copies the skb to the tx ring under the lock
safely.
tested and shown to correct the described problem. Applies cleanly to the head
of the net tree
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Shrikrishna Khare <skhare@vmware.com>
CC: "VMware, Inc." <pv-drivers@vmware.com>
CC: "David S. Miller" <davem@davemloft.net>
Acked-by: Shrikrishna Khare <skhare@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Manish Chopra says:
====================
qed/qede: Add hardware GRO support
This patch series enables hardware GRO and add support for handling
HW aggregated TCP packets in driver receive flow by skipping
software GRO handling in stack.
Please consider applying this series to net-next.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch configures hardware to use GRO and adds support
for fastpath APIs to handle HW aggregated packets.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds mainly structures and APIs prototype changes
in order to give support for qede slowpath/fastpath support
for the same.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
iwlwifi
* free firmware paging memory when the module is unloaded or device removed
* fix pending frames counter to fix an issue when removing stations
ssb
* fix a build problem related to ssb_fill_sprom_with_fallback()
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Merge tag 'wireless-drivers-for-davem-2016-03-04' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.5
iwlwifi
* free firmware paging memory when the module is unloaded or device removed
* fix pending frames counter to fix an issue when removing stations
ssb
* fix a build problem related to ssb_fill_sprom_with_fallback()
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Make the c files less cluttered and enable netlink attributes to be
shared between files.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, arp_rcv() always return zero on a packet delivery upcall.
To make its behavior more compliant with the way this API should be
used, this patch changes this to let it return NET_RX_SUCCESS when the
packet is proper handled, and NET_RX_DROP otherwise.
v1->v2:
If sanity check is failed, call kfree_skb() instead of consume_skb(), then
return the correct return value.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The MFD_SYSCON depends on HAS_IOMEM so when selecting it avoid unmet
direct dependencies.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If skb_linearize fails, the driver should drop the packet
instead of trying to copy it into the bounce buffer.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some devices will silently fail setup unless they are reset first.
This is necessary even if the data interface is already in
altsetting 0, which it will be when the device is probed for the
first time. Briefly toggling the altsetting forces a function
reset regardless of the initial state.
This fixes a setup problem observed on a number of Huawei devices,
appearing to operate in NTB-32 mode even if we explicitly set them
to NTB-16 mode.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case bind() works, but a later error forces bailing
in probe() in error cases work and a timer may be scheduled.
They must be killed. This fixes an error case related to
the double free reported in
http://www.spinics.net/lists/netdev/msg367669.html
and needs to go on top of Linus' fix to cdc-ncm.
Signed-off-by: Oliver Neukum <ONeukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko says:
====================
mlxsw: couple of fixes
Couple of fixes from Ido.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The descriptor queues for sending (SDQs) and receiving (RDQs) packets
are managed by two counters - producer and consumer - which are both
16-bit in size. A queue is considered full when the difference between
the two equals the queue's maximum number of descriptors.
However, if the producer counter overflows, then it's possible for the
full queue check to fail, as it doesn't take the overflow into account.
In such a case, descriptors already passed to the device - but for which
a completion has yet to be posted - will be overwritten, thereby causing
undefined behavior. The above can be achieved under heavy load (~30
netperf instances).
Fix that by casting the subtraction result to u16, preventing it from
being treated as a signed integer.
Fixes: eda6500a98 ("mlxsw: Add PCI bus implementation")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since we only support one VLAN filtering bridge we need to associate a
reference count with it, so that when the last port netdev leaves it, we
would know that a different bridge can be offloaded to hardware.
When a LAG device is memeber in a bridge and port netdevs are leaving
the LAG, we should always decrement the bridge's reference count, as it's
incremented for any port in the LAG.
Fixes: 4dc236c317 ("mlxsw: spectrum: Handle port leaving LAG while bridged")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the checkpatch.pl error to netlabel_domainhash.c:
ERROR: do not initialise statics to NULL
Signed-off-by: Wei Tang <tangwei@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the checkpatch.pl error to netlabel_unlabeled.c:
ERROR: do not initialise statics to 0 or NULL
Signed-off-by: Wei Tang <tangwei@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Until now, we have kept a pre-allocated protocol message header
aggregated into struct tipc_link. Apart from adding unnecessary
footprint to the link instances, this requires extra code both to
initialize and re-initialize it.
We now remove this sub-optimization. This change also makes it
possible to clean up the function tipc_build_proto_msg() and remove
a couple of small functions that were accessing the mentioned header.
In particular, we can replace all occurrences of the local function
call link_own_addr(link) with the generic tipc_own_addr(net).
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 4d5cfcba2f ('tipc: fix connection abort during subscription
cancel'), removes the check for a valid subscription before calling
tipc_nametbl_subscribe().
This will lead to a nullptr exception when we process a
subscription cancel request. For a cancel request, a null
subscription is passed to tipc_nametbl_subscribe() resulting
in exception.
In this commit, we call tipc_nametbl_subscribe() only for
a valid subscription.
Fixes: 4d5cfcba2f ('tipc: fix connection abort during subscription cancel')
Reported-by: Anders Widell <anders.widell@ericsson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
priv->mdio->irq used to be allocated and required freeing, but it
is now a fixed sized array and should no longer be free'd.
Issue detected using static analysis with CoverityScan
Fixes: e7f4dc3536 ("mdio: Move allocation of interrupts into core")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
priv->mdio->irq used to be allocated and required freeing, but it
is now a fixed sized array and should no longer be free'd.
Issue detected using static analysis with CoverityScan
Fixes: e7f4dc3536 ("mdio: Move allocation of interrupts into core")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Tobias Klauser <tklauser@distanz.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before calling the destroy() or target() callbacks, the family parameter
field has to be initialized. Otherwise at least the LOG target will
refuse to work and upon removal oops the kernel.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Used to be allocated and required freeing, but now
priv->mdio->irq is now a fixed sized array and should no longer be
free'd.
Issue detected using static analysis with CoverityScan
Fixes: e7f4dc3536 ("mdio: Move allocation of interrupts into core")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure the user has provided a scope for multicast and link local
addresses used locally by a UDP bearer.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The netlink policy for TIPC_NLA_UDP_LOCAL and TIPC_NLA_UDP_REMOTE
is of type binary with a defined length. This causes the policy
framework to threat the defined length as maximum length.
There is however no protection against a user sending a smaller
amount of data. Prior to this patch this wasn't handled which could
result in a partially incomplete sockaddr_storage struct containing
uninitialized data.
In this patch we use nla_memcpy() when copying the user data. This
ensures a potential gap at the end is cleared out properly.
This was found by Julia with Coccinelle tool.
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure we have a link before checking if it has been reset or not.
Prior to this patch tipc_link_is_reset() could be called with a non
existing link, resulting in a null pointer dereference.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Prior to this patch enabling a IPv4 UDP bearer caused a null pointer
dereference in iptunnel_xmit_stats(), when it tried to dereference the
net device from the skb. To resolve this we now point the skb device
to the net device resolved from the routing table.
Fixes: 039f50629b (ip_tunnel: Move stats update to iptunnel_xmit())
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
is actually "active high". Thanks for Troy Kisky for pointing
that out.
Since the patch is in linux-next, this patch is incremental and doesn't
replace the original patch.
Signed-off-by: Bernhard Walle <bernhard@bwalle.de>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:115:15-21: ERROR: application of sizeof to pointer
sizeof when applied to a pointer typed expression gives the size of
the pointer
Generated by: scripts/coccinelle/misc/noderef.cocci
CC: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enable workaround for MPC8548E erratum eTSEC 106,
"Excess delays when transmitting TOE=1 large frames".
(see commit 53fad77375 "gianfar: Enable eTSEC-20 erratum w/a
for P2020 Rev1")
This erratum was fixed in Rev 3.1.x.
Signed-off-by: Atsushi Nemoto <nemoto@toshiba-tops.co.jp>
Acked-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tiny fixes branch this week, in fact only one patch.
Turns out the USB support for a Renesas board was developed on a pre-release
board that ended up being changed before shipping. To avoid breakage on those
boards, and avoid confusion, it's a reasonable idea to patch now instead of
later. There are no known users of the pre-release variant any more.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fix from Olof Johansson:
"Tiny fixes branch this week, in fact only one patch.
Turns out the USB support for a Renesas board was developed on a
pre-release board that ended up being changed before shipping. To
avoid breakage on those boards, and avoid confusion, it's a reasonable
idea to patch now instead of later. There are no known users of the
pre-release variant any more"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: porter: remove enable prop from HS-USB device node
Pull ARM fixes from Russell King:
"Just two ARM fixes this time: one to fix the hyp-stub for older ARM
CPUs, and another to fix the set_memory_xx() permission functions to
deal with zero sizes correctly"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8544/1: set_memory_xx fixes
ARM: 8534/1: virt: fix hyp-stub build for pre-ARMv7 CPUs
Pull ceph fix from Sage Weil:
"This is a final commit we missed to align the protocol compatibility
with the feature bits.
It decodes a few extra fields in two different messages and reports
EIO when they are used (not yet supported)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: initial CEPH_FEATURE_FS_FILE_LAYOUT_V2 support
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Merge tag 'upstream-4.5-rc7' of git://git.infradead.org/linux-ubifs
Pull UBI fix from Richard Weinberger:
"This contains a single bug fix for UBI"
* tag 'upstream-4.5-rc7' of git://git.infradead.org/linux-ubifs:
ubi: Fix out of bounds write in volume update code
Pull UML fixes from Richard Weinberger:
"This contains three bug/build fixes"
* 'for-linus-4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: use %lx format specifiers for unsigned longs
um: Export pm_power_off
Revert "um: Fix get_signal() usage"
Pull MIPS fixes from Ralf Baechle:
"Another round of fixes for 4.5:
- Fix the use of an undocumented syntactial variant of the .type
pseudo op which is not supported by the LLVM assembler.
- Fix invalid initialization on S-cache-less systems.
- Fix possible information leak from the kernel stack for SIGFPE.
- Fix handling of copy_{from,to}_user() return value in KVM
- Fix the last instance of irq_to_gpio() which now was causing build
errors"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: traps: Fix SIGFPE information leak from `do_ov' and `do_trap_or_bp'
MIPS: kvm: Fix ioctl error handling.
MIPS: scache: Fix scache init with invalid line size.
MIPS: Avoid variant of .type unsupported by LLVM Assembler
MIPS: jz4740: Fix surviving instance of irq_to_gpio()
Pull i2c fix from Wolfram Sang:
"One I2C bugfix ensuring correct memory allocation in a driver"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: brcmstb: allocate correct amount of memory for regmap
Here are some USB driver ids for 4.5-rc7, and the removal of a driver we
merged in 4.5-rc1 but it turns out it's not needed as the hardware is the
same as a driver we already have in the tree. This was only figured out
after doing a lot of cleanup on it, gotta love vendor-provided drivers...
The new device ids for the devices for this driver will be added later on
when testing is completed, but for now, we will remove the driver to keep
people from accidentally cleaning it up.
All of these have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB driver ids for 4.5-rc7, and the removal of a driver
we merged in 4.5-rc1 but it turns out it's not needed as the hardware
is the same as a driver we already have in the tree.
This was only figured out after doing a lot of cleanup on it, gotta
love vendor-provided drivers... The new device ids for the devices
for this driver will be added later on when testing is completed, but
for now, we will remove the driver to keep people from accidentally
cleaning it up.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: qcserial: add Sierra Wireless EM74xx device ID
Revert "USB: serial: add Moxa UPORT 11x0 driver"
USB: serial: option: add support for Quectel UC20
USB: serial: option: add support for Telit LE922 PID 0x1045
USB: cp210x: Add ID for Parrot NMEA GPS Flight Recorder
USB: qcserial: add Dell Wireless 5809e Gobi 4G HSPA+ (rev3)
usb: chipidea: otg: change workqueue ci_otg as freezable
static analysis from cppcheck detected %x being used for
unsigned longs:
[arch/x86/um/os-Linux/task_size.c:112]: (warning) %x in format
string (no. 1) requires 'unsigned int' but the argument type
is 'unsigned long'.
Use %lx instead of %x
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Commit db2f24dc24
was plain wrong. I did not realize the we are
allowed to loop here.
In fact we have to loop and must not return to userspace
before all SIGSEGVs have been delivered.
Other archs do this directly in their entry code, UML
does it here.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
ubi_start_leb_change() allocates too few bytes.
ubi_more_leb_change_data() will write up to req->upd_bytes +
ubi->min_io_size bytes.
Cc: stable@vger.kernel.org
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
yankejian
Guo-Fu Tseng
Haiyang Zhang
Bill Sommerfeld
Douglas Miller
Neil Horman
David S. Miller
Manish Chopra
Richard Alpe
Zhang Shengju
Krzysztof Kozlowski
Thomas Falcon
Bjørn Mork
Oliver Neukum
Ido Schimmel
Wei Tang
Jon Paul Maloy
Parthasarathy Bhuvaragan
Colin Ian King
Phil Sutter
Bernhard Walle
Wu Fengguang
Atsushi Nemoto
WANG Cong
Linus Torvalds
Richard Weinberger