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2017-04-11s390/qeth: use correct return type for hard_start_xmit()Julian Wiedmann
ndo_start_xmit() expects us to return netdev_tx_t here... Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11s390/qeth: remove unused parameterJulian Wiedmann
'elements_needed' is not used in qeth_do_send_packet_fast(), so consequently remove it. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11s390/qeth: move gdev shutdown handler to coreJulian Wiedmann
Duplicated code. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11s390/qeth: move NAPI poll routine to coreJulian Wiedmann
Identical code, we just need to call a layer-specific hook to process any received buffer. qeth_buffer_reclaim_work() is shuffled around to avoid a forward declaration for qeth_queue_input_buffer(). Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11s390/qeth: move common ioctl handling to coreJulian Wiedmann
There's a number of layer-independent ioctls that we can handle in core, and reduce code duplication. For layer-specific ioctls, add a do_ioctl() discipline hook. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11bpf: remove struct bpf_map_type_listJohannes Berg
There's no need to have struct bpf_map_type_list since it just contains a list_head, the type, and the ops pointer. Since the types are densely packed and not actually dynamically registered, it's much easier and smaller to have an array of type->ops pointer. Also initialize this array statically to remove code needed to initialize it. In order to save duplicating the list, move it to the types header file added by the previous patch and include it in the same fashion. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11bpf: remove struct bpf_prog_type_listJohannes Berg
There's no need to have struct bpf_prog_type_list since it just contains a list_head, the type, and the ops pointer. Since the types are densely packed and not actually dynamically registered, it's much easier and smaller to have an array of type->ops pointer. Also initialize this array statically to remove code needed to initialize it. In order to save duplicating the list, move it to a new header file and include it in the places needing it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11Merge branch 'fec-driver-code-clean'David S. Miller
Fugang Duan says: ==================== net: fec: driver code clean The patch series are for fec ethernet driver code clean up, each patch is independent. Patch #1,#4,#5 are code clean up. Patch #2,#3 are for aarch64 platform. Patch #6 is for i.MX6UL to add lost errata workaround. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11net: fec: add ERR007885 for i.MX6ul enet IPFugang Duan
The errata ERR007885 HW fix don't add to i.MX6ul ENET IP version, so add sw workaroud for the chip. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11net: fec: correct the errata number comment typoFugang Duan
Correct the errata number ERR006358 comment typo. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11net: fec: add phy-reset-gpios PROBE_DEFER checkFugang Duan
Many boards use i2c/spi expander gpio as phy-reset-gpios and these gpios maybe registered after fec port, driver should check the return value of .of_get_named_gpio(). Signed-off-by: Fugang Duan <B38611@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11net: fec: pass ->dev to dma_alloc__coherent() APIFugang Duan
In aarch64 system, it requires to trasfer ->dev to dma_alloc_coherent() API, otherwise allocate failed and print kernel warning. Signed-off-by: Fugang Duan <B38611@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11net: fec: avoid BD pointer type cast to 32bitFugang Duan
In aarch64 system, the BD pointer is 64bit, and the high-order 32-bits of the address is effective, so replace usigned with (void *) type to aovid 64bit address is casted to 32bit in .fec_enet_get_nextdesc() and .fec_enet_get_prevdesc() functions. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11net: fec: add return value check after calling .of_property_read_u32()Fugang Duan
Add return value check after calling .of_property_read_u32() to avoid the warning reported by coverity. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11Merge branch 'l2tp-drop-l2tp_session_find'David S. Miller
Guillaume Nault says: ==================== l2tp: drop l2tp_session_find() l2tp_netlink is the last user of l2tp_session_find(), but that call is useless. Let's remove it and drop l2tp_session_find() definitely. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11l2tp: remove l2tp_session_find()Guillaume Nault
This function isn't used anymore. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11l2tp: remove useless duplicate session detection in l2tp_netlinkGuillaume Nault
There's no point in checking for duplicate sessions at the beginning of l2tp_nl_cmd_session_create(); the ->session_create() callbacks already return -EEXIST when the session already exists. Furthermore, even if l2tp_session_find() returns NULL, a new session might be created right after the test. So relying on ->session_create() to avoid duplicate session is the only sane behaviour. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11Merge branch 'net-remove-pci_enable_msix'David S. Miller
Christoph Hellwig says: ==================== remove pci_enable_msix() V3 this series removes the remaining callers of the pci_enable_msix() function and then the function itself. The final removal has been Acked by Bjorn. Changes since V2: - add another patch on Dave's request - add various acks - spelling fixes in the commit logs Changes since V1: - replace the two previous thunderx patches with a new one from Thanneeru ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11mlxsw: convert to pci_alloc_irq_vectorsChristoph Hellwig
Trivial conversion as only one vector is supported, but at least we lose the useless msix_entry member in the per-device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Tested-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11PCI: remove pci_enable_msixChristoph Hellwig
Unused now that all callers switched to pci_alloc_irq_vectors. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11net: thunderx: Switch to pci_alloc_irq_vectorsThanneeru Srinivasulu
Remove deprecated pci_enable_msix API in favour of its successor pci_alloc_irq_vectors. Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@cavium.com> Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11net/ena: switch to pci_alloc_irq_vectorsChristoph Hellwig
Remove the deprecated pci_enable_msix API in favour of its successor. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11net: alx: switch to pci_alloc_irq_vectorsChristoph Hellwig
Remove the deprecated pci_enable_msix API in favour of its successor, and make sure to handle errors during IRQ setup properly. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-11Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next Steffen Klassert says: ==================== pull request (net-next): ipsec-next 2017-04-11 1) Remove unused field from struct xfrm_mgr. 2) Code size optimizations for the xfrm prefix hash and address match. 3) Branch optimization for addr4_match. All patches from Alexey Dobriyan. Please pull or let me know if there are problems. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10Merge branch 'ftgmac100-rework-batch3-tx-path'David S. Miller
Benjamin Herrenschmidt says: ==================== ftgmac100: Rework batch 3 - TX path This is version 2 of the third batch of updates to the ftgmac100 driver. This one tackles the TX path of the driver. This provides the bulk of the performance improvements by adding support for fragmented sends along with a bunch of cleanups. Version 2 fixes a patch splitting mistake and uses eth_skb_pad() (which uses skb_put_padto) to pad ethernet frames rather than skb_padto(), thus removing the need to also pad the packet headlen in a couple of places. Subsequent batches will add various features (ethtool functions, vlan offlan, ...) and cleanups. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Remove tx descriptor accessorsBenjamin Herrenschmidt
Directly access the fields when needed. The accessors add clutter not clarity and in some cases cause unnecessary read-modify-write type access on the slow (uncached) descriptor memory. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Add support for fragmented txBenjamin Herrenschmidt
Add NETIF_F_SG and create multiple TX ring entries for skb fragments. On reclaim, the skb is only freed on the segment marked as "last". Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Don't clear tx desc fields unnecessarilyBenjamin Herrenschmidt
Those are non-cachable stores, let's avoid those we don't need. Remove the helper, it's not particularly helpful and since it uses "priv" I can't move it to the header file. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Split tx packet freeing from ftgmac100_tx_complete_packet()Benjamin Herrenschmidt
This moves the packet freeing to a separate function which is also used by ftgmac100_free_buffers() and will be used more in the error path of fragmented sends. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Move the barrier out of ftgmac100_txdes_set_dma_own()Benjamin Herrenschmidt
We'll use variants of this accessor without barriers when building series of descriptors for fragmented sends Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Cleanup tx queue handlingBenjamin Herrenschmidt
We have a private lock which isn't terribly useful, and we maintain a "tx_pending" counter for information that's already available via a trivial arithmetic operation. Then we unconditionaly wake the queue even when not stopped. Finally our code in tx isn't really safe vs. a concurrent reclaim. The aspeed chips aren't SMP today but I prefer the code being right and future proof. So rip that out and replace it with more "standard" queue handling, currently with a threshold of 1 queue element, which will be increased when we implement fragmented sends. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Store tx skbs in a separate arrayBenjamin Herrenschmidt
Rather than in the descriptor. The descriptor is mapped non-cachable and rather slow to access. Since to do that we need to keep track of the tx "pointer" we also have no use of all the accesors to manipulate it, just open code it, it's as clear and will help when adding fragmented sends. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Pad small frames properlyBenjamin Herrenschmidt
Rather than just transmitting garbage past the end of the small packet. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Factor tx packet dropping pathBenjamin Herrenschmidt
Use a simple goto to a drop path at the tail of the function, it will be used in a few more cases soon Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Merge ftgmac100_xmit() into ftgmac100_hard_start_xmit()Benjamin Herrenschmidt
This will make subsequent rework of the tx path simpler Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Move ftgmac100_hard_start_xmit() aroundBenjamin Herrenschmidt
Move it below ftgmac100_xmit() and the rest of the tx path No code change. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-10ftgmac100: Add a tx timeout handlerBenjamin Herrenschmidt
We have a reset task to reset our chip, use it. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-09net: dsa: mt7530: Include gpio/consumer.h for GPIO functionsFlorian Fainelli
Fixes build errors seen with CONFIG_GPIOLIB disabled and warnings enabled: drivers/net/dsa/mt7530.c: In function 'mt7530_setup': drivers/net/dsa/mt7530.c:948:3: error: implicit declaration of function 'gpiod_set_value_cansleep' [-Werror=implicit-function-declaration] gpiod_set_value_cansleep(priv->reset, 0); ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/dsa/mt7530.c: In function 'mt7530_probe': drivers/net/dsa/mt7530.c:1068:17: error: implicit declaration of function 'devm_gpiod_get_optional' [-Werror=implicit-function-declaration] priv->reset = devm_gpiod_get_optional(&mdiodev->dev, "reset", ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/dsa/mt7530.c:1069:13: error: 'GPIOD_OUT_LOW' undeclared (first use in this function) GPIOD_OUT_LOW); ^~~~~~~~~~~~~ drivers/net/dsa/mt7530.c:1069:13: Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-09bpf: fix comment typoAlexander Alemayhu
o s/bpf_bpf_get_socket_cookie/bpf_get_socket_cookie Signed-off-by: Alexander Alemayhu <alexander@alemayhu.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-09netvsc: use napi_consume_skbstephen hemminger
This allows using deferred skb freeing and with NAPI. And get buffer recycling. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-09Merge tag 'wireless-drivers-next-for-davem-2017-04-07' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valo says: ==================== wireless-drivers-next patches for 4.12 Lots of bugfixes as usual but also some new features. Major changes: ath10k * improve firmware download time for QCA6174 and QCA9377, especially helps resume time ath9k_htc * add support AirTies 1eda:2315 AR9271 device rt2x00 * add support MT7620 mwifiex * enable auto deep sleep mode for USB chipsets brcmfmac * add support for network namespaces (WIPHY_FLAG_NETNS_OK) ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-09Revert "rtnl: Add support for netdev event to link messages"David S. Miller
This reverts commit def12888c161e6fec0702e5ec9c3962846e3a21d. As per discussion between Roopa Prabhu and David Ahern, it is advisable that we instead have the code collect the setlink triggered events into a bitmask emitted in the IFLA_EVENT netlink attribute. Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-09Merge branch '40GbE' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue Jeff Kirsher says: ==================== 40GbE Intel Wired LAN Driver Updates 2017-04-08 This series contains updates to i40e and i40evf only. Mitch fixes an issue where the client driver (i40iw) was attempting to load on x710 devices (which do not support iWARP), so only register with the client if iWARP is supported. Jake fixes up error messages to better clarify to the user when adding a invalid flow type. Updates the driver to look up the MAC address from eth_get_platform_mac_address() first before checking what the firmware provides. Cleans up code so we are not repeating a duplicate loop, by checking both transmit and receive queues in a single loop. Also cleans up flags never used, so remove the definitions. Alex does cleanup so that we are always updating pf->flags when a change is made to the private flags. Adds support for 3K buffers to the receive path so that we can provide the additional padding needed in the event of NET_IP_ALIGN being non-zero or a cache line being greater than 64. Adds support for build_skb() to i40e/i40evf. Maciej adjusts the scope of the rtnl lock held during reset because it was stopping other PFs from running their reset procedures. Alan reduces code complexity in i40e_detect_recover_hung_queue(). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-08Merge branch 'dsa-receive-path-simplifications'David S. Miller
Florian Fainelli says: ==================== net: dsa: Receive path simplifications This patch series does factor the common code found in all tag implementations into dsa_switch_rcv(). The original motivation was to add GRO support, but this may be a lot of work with unclear benefits at this point. Changes in v2: - take care of tag_mtk.c in the process ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-08net: dsa: Factor bottom tag receive functionsFlorian Fainelli
All DSA tag receive functions do strictly the same thing after they have located the originating source port from their tag specific protocol: - push ETH_HLEN bytes - set pkt_type to PACKET_HOST - call eth_type_trans() - bump up counters - call netif_receive_skb() Factor all of that into dsa_switch_rcv(). This also makes us return a pointer to a sk_buff, which makes us symetric with the xmit function. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-08net: dsa: Move skb_unshare() to dsa_switch_rcv()Florian Fainelli
All DSA tag receive functions need to unshare the skb before mangling it, move this to the generic dsa_switch_rcv() function which will allow us to make the tag receive function return their mangled skb without caring about freeing a NULL skb. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-08net: dsa: Do not check for NULL dst in tag parsersFlorian Fainelli
dsa_switch_rcv() already tests for dst == NULL, so there is no need to duplicate the same check within the tag receive functions. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-08skbuff: Extend gso_type to unsigned int.Steffen Klassert
All available gso_type flags are currently in use, so extend gso_type from 'unsigned short' to 'unsigned int' to be able to add further flags. We reorder the struct skb_shared_info to use two bytes of the four byte hole before dataref. All fields before dataref are cleared, i.e. four bytes more than before the change. The remaining two byte hole is moved to the beginning of the structure, this protects us from immediate overwites on out of bound writes to the sk_buff head. Structure layout on x86-64 before the change: struct skb_shared_info { unsigned char nr_frags; /* 0 1 */ __u8 tx_flags; /* 1 1 */ short unsigned int gso_size; /* 2 2 */ short unsigned int gso_segs; /* 4 2 */ short unsigned int gso_type; /* 6 2 */ struct sk_buff * frag_list; /* 8 8 */ struct skb_shared_hwtstamps hwtstamps; /* 16 8 */ u32 tskey; /* 24 4 */ __be32 ip6_frag_id; /* 28 4 */ atomic_t dataref; /* 32 4 */ /* XXX 4 bytes hole, try to pack */ void * destructor_arg; /* 40 8 */ skb_frag_t frags[17]; /* 48 272 */ /* --- cacheline 5 boundary (320 bytes) --- */ /* size: 320, cachelines: 5, members: 12 */ /* sum members: 316, holes: 1, sum holes: 4 */ }; Structure layout on x86-64 after the change: struct skb_shared_info { short unsigned int _unused; /* 0 2 */ unsigned char nr_frags; /* 2 1 */ __u8 tx_flags; /* 3 1 */ short unsigned int gso_size; /* 4 2 */ short unsigned int gso_segs; /* 6 2 */ struct sk_buff * frag_list; /* 8 8 */ struct skb_shared_hwtstamps hwtstamps; /* 16 8 */ unsigned int gso_type; /* 24 4 */ u32 tskey; /* 28 4 */ __be32 ip6_frag_id; /* 32 4 */ atomic_t dataref; /* 36 4 */ void * destructor_arg; /* 40 8 */ skb_frag_t frags[17]; /* 48 272 */ /* --- cacheline 5 boundary (320 bytes) --- */ /* size: 320, cachelines: 5, members: 13 */ }; Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-08liquidio: fix VF incorrectly indicating that it successfully set its VLANFelix Manlunas
For security reasons, NIC firmware does not allow VF to set its VLAN if PF set it already. Firmware allows VF to set its VLAN if PF did not set it. After the VF instructs the firmware to set the VLAN, VF always indicates (via return 0) that the operation is successful--even for the times when it isn't. Put in a mechanism for the VF's set VLAN function to receive the firmware response code, then make that function return -EPERM if the firmware forbids the operation. Make that mechanism available for other functions that may, in the future, be interested in receiving the response code from the firmware. That mechanism involves adding new fields to struct octnic_ctrl_pkt, so make all users of struct octnic_ctrl_pkt initialize the struct to zero before using it; otherwise, the mechanism might act on uninitialized garbage. Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: Derek Chickles <derek.chickles@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-08netvsc: Initialize all channel related state prior to opening the channelK. Y. Srinivasan
Prior to opening the channel we should have all the state setup to handle interrupts. The current code does not do that; fix the bug. This bug can result in faults in the interrupt path. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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