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ff with net_generic(). If the net_generic() call ever returns NULL, the caif code will BUG(). That doesn't seem *so* unreasonable, I suppose — it does seem like it should never happen. However, it *does* happen. When we clone a network namespace, setup_net() runs through all the pernet_operations one at a time. It gets to loopback before it gets to caif. And loopback_net_init() registers a netdevice... while caif hasn't been initialised. So the caif netdevice notifier triggers, and immediately goes BUG(). We could imagine a complex and overengineered solution to this generic class of problems, but this patch takes the simple approach. It just makes caif_device_notify() *not* go looking for its pernet data structures if the device it's being notified about isn't a caif device in the first place. Cc: stable@kernel.org Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Acked-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-25net: make bonding slaves honour master's skb->priorityMaciej Żenczykowski1-1/+0 Signed-off-by: Maciej Żenczykowski <maze@google.com> Acked-by: Flavio Leitner <fbl@redhat.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-25net: Unlock sock before calling sk_free()Thomas Gleixner1-0/+1 Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-25ehea: fix skb_frag_size typoEric Dumazet1-1/+1 Commit 9e903e085262 ("net: add skb frag size accessors") introduced a typo in ehea driver. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 2011-10-25sysfs: Remove support for tagged directories with untagged members (again)Eric W. Biederman1-4/+4 In commit 8a9ea3237e7e ("Merge git://.../davem/net-next") where my sysfs changes from the net tree merged with the sysfs rbtree changes from Mickulas Patocka the conflict resolution failed to preserve the simplified property that was the point of my changes. That is sysfs_find_dirent can now say something is a match if and only s_name and s_ns match what we are looking for, and sysfs_readdir can simply return all of the directory entries where s_ns matches the directory that we should be returning. Now that we are back to exact matches we can tweak sysfs_find_dirent and the name rb_tree to order sysfs_dirents by s_ns s_name and remove the second loop in sysfs_find_dirent. However that change seems a bit much for a conflict resolution so it can come later. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 2011-10-25pinctrl/sirf: fix sirfsoc_get_group_pins prototypeJean-Christophe PLAGNIOL-VILLARD1-1/+1 fix sirfsoc_get_group_pins prototype introduced in 7e570f97, we missed to de-constify a pointer. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> 2011-10-25x86: Fix compilation bug in kprobes' twobyte_is_boostableJosh Stone1-1/+3 When compiling an i386_defconfig kernel with gcc-4.6.1-9.fc15.i686, I noticed a warning about the asm operand for test_bit in kprobes' can_boost. I discovered that this caused only the first long of twobyte_is_boostable[] to be output. Jakub filed and fixed gcc PR50571 to correct the warning and this output issue. But to solve it for less current gcc, we can make kprobes' twobyte_is_boostable[] non-const, and it won't be optimized out. Before: CC arch/x86/kernel/kprobes.o In file included from include/linux/bitops.h:22:0, from include/linux/kernel.h:17, from [...]/arch/x86/include/asm/percpu.h:44, from [...]/arch/x86/include/asm/current.h:5, from [...]/arch/x86/include/asm/processor.h:15, from [...]/arch/x86/include/asm/atomic.h:6, from include/linux/atomic.h:4, from include/linux/mutex.h:18, from include/linux/notifier.h:13, from include/linux/kprobes.h:34, from arch/x86/kernel/kprobes.c:43: [...]/arch/x86/include/asm/bitops.h: In function ‘can_boost.part.1’: [...]/arch/x86/include/asm/bitops.h:319:2: warning: use of memory input without lvalue in asm operand 1 is deprecated [enabled by default] $ objdump -rd arch/x86/kernel/kprobes.o | grep -A1 -w bt 551: 0f a3 05 00 00 00 00 bt %eax,0x0 554: R_386_32 .rodata.cst4 $ objdump -s -j .rodata.cst4 -j .data arch/x86/kernel/kprobes.o arch/x86/kernel/kprobes.o: file format elf32-i386 Contents of section .data: 0000 48000000 00000000 00000000 00000000 H............... Contents of section .rodata.cst4: 0000 4c030000 L... Only a single long of twobyte_is_boostable[] is in the object file. After, without the const on twobyte_is_boostable: $ objdump -rd arch/x86/kernel/kprobes.o | grep -A1 -w bt 551: 0f a3 05 20 00 00 00 bt %eax,0x20 554: R_386_32 .data $ objdump -s -j .rodata.cst4 -j .data arch/x86/kernel/kprobes.o arch/x86/kernel/kprobes.o: file format elf32-i386 Contents of section .data: 0000 48000000 00000000 00000000 00000000 H............... 0010 00000000 00000000 00000000 00000000 ................ 0020 4c030000 0f000200 ffff0000 ffcff0c0 L............... 0030 0000ffff 3bbbfff8 03ff2ebb 26bb2e77 ....;.......&..w Now all 32 bytes are output into .data instead. Signed-off-by: Josh Stone <jistone@redhat.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Jakub Jelinek <jakub@redhat.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 2011-10-25target: Fix compile warning w/ missing module.h includeNicholas Bellinger1-0/+1 This patch fixes the following compile warning in target_core_cdb.c in recent linux-next code due to the new use of EXPORT_SYMBOL() for target_get_task_cdb(). drivers/target/target_core_cdb.c:1316: warning: data definition has no type or storage class drivers/target/target_core_cdb.c:1316: warning: type defaults to ‘int’ in declaration of ‘EXPORT_SYMBOL’ drivers/target/target_core_cdb.c:1316: warning: parameter names (without types) in function declaration Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> 2011-10-24dp83640: free packet queues on removeRichard Cochran1-0/+7 If the PHY should disappear (for example, on an USB Ethernet MAC), then the driver would leak any undelivered time stamp packets. This commit fixes the issue by calling the appropriate functions to free any packets left in the transmit and receive queues. The driver first appeared in v3.0. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24dp83640: use proper function to free transmit time stamping packetsRichard Cochran1-2/+2 The previous commit enforces a new rule for handling the cloned packets for transmit time stamping. These packets must not be freed using any other function than skb_complete_tx_timestamp. This commit fixes the one and only driver using this API. The driver first appeared in v3.0. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24ipv6: Do not use routes from locally generated RAsAndreas Hofmeister1-0/+8 When hybrid mode is enabled (accept_ra == 2), the kernel also sees RAs generated locally. This is useful since it allows the kernel to auto-configure its own interface addresses. However, if 'accept_ra_defrtr' and/or 'accept_ra_rtr_pref' are set and the locally generated RAs announce the default route and/or other route information, the kernel happily inserts bogus routes with its own address as gateway. With this patch, adding routes from an RA will be skiped when the RAs source address matches any local address, just as if 'accept_ra_defrtr' and 'accept_ra_rtr_pref' were set to 0. Signed-off-by: Andreas Hofmeister <andi@collax.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24|PATCH net-next] tg3: add tx_dropped counterEric Dumazet2-12/+12 If a frame cant be transmitted, it is silently discarded. Add a counter to report these errors to user. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24be2net: don't create multiple RX/TX rings in multi channel modeSathya Perla2-4/+18 When the HW is in multi-channel mode based on the skew/IPL, there are 4 functions per port and so not enough resources to create multiple RX/TX rings for each function. Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24be2net: don't create multiple TXQs in BE2Sathya Perla1-10/+16 Multiple TXQ support is partially broken in BE2. It is fully supported BE3 onwards and in Lancer. Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24be2net: refactor VF setup/teardown code into be_vf_setup/clear()Sathya Perla3-152/+147 Currently the code for VF setup/teardown done by a PF (if_create, mac_add_config, link_status_query etc) is scattered; this patch refactors this code into be_vf_setup() and be_vf_clear(). The if_create/if_destroy/mac_addr_query cmds are now called after the MCCQ is created; so these cmds are now modified to use the MCCQ instead of MBOX. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24be2net: add vlan/rx-mode/flow-control config to be_setup()Sathya Perla1-65/+56 When a card is reset due to EEH error recovery or due to a suspend, rx-mode config (promisc/mc) is not being sent to the FW. be_setup() is called in these flows and is the best place for such config/re-config cmds. Hence include rx-mode, vlan and flow-control config in be_setup(). Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24net_sched: cls_flow: use skb_header_pointer()Eric Dumazet1-92/+96 Dan Siemon would like to add tunnelling support to cls_flow This preliminary patch introduces use of skb_header_pointer() to help this task, while avoiding skb head reallocation because of deep packet inspection. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24ipv4: avoid useless call of the function check_peer_pmtuGao feng1-2/+1 In func ipv4_dst_check,check_peer_pmtu should be called only when peer is updated. So,if the peer is not updated in ip_rt_frag_needed,we can not inc __rt_peer_genid. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24TCP: remove TCP_DEBUGFlavio Leitner3-5/+0 It was enabled by default and the messages guarded by the define are useful. Signed-off-by: Flavio Leitner <fbl@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24net: Fix driver name for mdio-gpio.cDirk Eibach1-1/+1 Since commit "7488876... dt/net: Eliminate users of of_platform_{,un}register_driver" there are two platform drivers named "mdio-gpio" registered. I renamed the of variant to "mdio-ofgpio". Signed-off-by: Dirk Eibach <eibach@gdsys.de> Signed-off-by: David S. Miller <davem@davemloft.net> 2011-10-24m68k: Finally remove leftover markers sectionsKirill Tkhai2-2/+0 Markers have removed already twice: 1: fc5377668c3d808e1d53c4aee152c836f55c3490 2: eb878b3bc0349344dbf70c51bf01fc734d5cf2d3 But a little bit is still here. Signed-off-by: Tkhai Kirill <tkhai@yandex.ru> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> 2011-10-24m68k/mac: Fix mac_irq_pending() for PSC MACE and SCCFinn Thain1-1/+1 Add missing return statement. The docs say that the level 4 PSC IRQs relate to MACE DMA and SCC. Since those drivers don't call mac_irq_pending() this patch has no affect. But it should be fixed all the same, since it can be useful for MACE debugging. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> 2011-10-24m68k/mac: Fix compiler warning in via_read_time()Finn Thain1-17/+23 The algorithm described in the comment compares two reads from the RTC but the code actually reads once and compares the result to an uninitialized value. This causes the compiler to warn, "last_result maybe used uninitialized". Make the code match the comment, fix the warning and perhaps improve reliability. Tested on a Quadra 700. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> 2011-10-24zorro: Fix four checkpatch warningsJim Rotmalm1-4/+4 zorro-driver.c: fix four checkpatch warnings of: WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable I had a cat. The cat was mine. His name was Zorro. Amiga is fine. Signed-off-by: Jim Rotmalm <jim.rotmalm@gmail.com> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> 2011-10-24hwmon: (w83627ehf) Better fix for negative temperature valuesJean Delvare1-25/+26 It is more efficient to left-align 8-bit temperature values, so that 8-bit and 9-bit temperature values can be handled exactly the same way in the rest of the code. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> 2011-10-24hwmon: (w83627ehf) Uninline is_word_sizedJean Delvare1-1/+1 Helper function is_word_sized has grown too much to be kept inline. It was OK when there were only 6 word-sized registers but support for new devices have made the list much longer. The function is also called from more places than before. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> 2011-10-24hwmon: (lm75) Document why clones are not detectedJean Delvare2-37/+58 Explain why clones of the LM75 are generally not detected by the driver, and why this isn't going to change. Also update the documentation to reflect the list of chip names currently supported by the driver. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> 2011-10-24hwmon: (w83627ehf) Move fan pins check to a separate functionJean Delvare1-53/+67 Move the check of fan pin usage to a separate function. This improves readability, and will make it easier to integrate chip-specific conditions. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> 2011-10-24hwmon: (w83627ehf) Skip reading unused voltage registersJean Delvare1-0/+3 When in6 is missing, don't read the corresponding registers, it's a waste of time. The logic is similar to what we do for fans and temperatures. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> 2011-10-24hwmon: (lm75) Add support for Analog Devices ADT75Michael Hennerich3-0/+8 Add datasheet reference and device ID for ADT75. The ADT75, like some other LM75 derivatives, needs to be instantiated using methods 1, 2, or 4. For more information see Documentation/i2c/instantiating-devices. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> 2011-10-24hwmon: (pmbus_core) Simplify sign extensionsGuenter Roeck1-13/+4 Shift operations can be used for sign extensions. Use it. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com> 2011-10-24hwmon: (pmbus) Add support for Lineage Power DC-DC convertersGuenter Roeck2-0/+12 Add device IDs and reference to datasheets for Lineage Power DC-DC converters. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com> 2011-10-24hwmon: (pmbus/ltc2978) Add support for LTC3880 to LTC2978 driverGuenter Roeck3-30/+168 The LTC3880 PMBus command set is comparable to LTC2978. Add support for it to the LTC2978 driver. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com> 2011-10-24hwmon: (pmbus/ltc2978) Explicit driver for LTC2978Guenter Roeck6-7/+385 Provide explicit driver for LTC2978 to enable support for minimum and peak attributes. Remove ltc2978 chip id from generic pmbus driver. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com> 2011-10-24hwmon: (pmbus) Add support for TEMP2 peak attributesGuenter Roeck2-5/+43 At least one PMBus chip supports peak attributes for READ_TEMPERATURE2. Add virtual registers to be able to report it to the user. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com> 2011-10-24hwmon: AD7314 driver (ported from IIO)Jonathan Cameron4-0/+222 Driver for AD7314, ADT7301, and ADT7302, ported from IIO. Currently dropped power down mode support. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> [guenter.roeck@ericsson.com: Added MODULE_DEVICE_TABLE] Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> 2011-10-24hwmon: (pmbus) Add support for Intersil power management chipsGuenter Roeck4-0/+393 Add support for Intersil / Zilker Labs ZL2004, ZL2006, ZL2008, ZL2105, ZL2106, ZL6100, and ZL6105. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com> 2011-10-24hwmon: (pmbus) Always call _pmbus_read_byte in core driverGuenter Roeck6-15/+17 Always call _pmbus_read_byte() instead of pmbus_read_byte() in PMBus core driver. With this change, device specific read functions can be implemented for all registers. Since the device specific read_byte function is now always called, we need to be more careful with page validations. Only fail if the passed page number is larger than 0, since -1 means "current page". Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com> 2011-10-24hwmon: (pmbus) Replace EINVAL return codes with more appropriate errorsGuenter Roeck4-13/+13 EINVAL was over-used in the code. Replace it with more appropriate errors. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>