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2012-05-31nfsd4: stricter cred comparison for setclientid/exchange_idJ. Bruce Fields
The typical setclientid or exchange_id will probably be performed with a credential that maps to either root or nobody, so comparing just uid's is unlikely to be useful. So, use everything else we can get our hands on. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: move principal name into svc_credJ. Bruce Fields
Instead of keeping the principal name associated with a request in a structure that's private to auth_gss and using an accessor function, move it to svc_cred. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: allow removing clients not holding stateJ. Bruce Fields
RFC 5661 actually says we should allow an exchange_id to remove a matching client, even if the exchange_id comes from a different principal, *if* the victim client lacks any state. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: rearrange exchange_id logic to simplifyJ. Bruce Fields
Minor cleanup: it's simpler to have separate code paths for the update and non-update cases. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: exchange_id cleanup: commentsJ. Bruce Fields
Make these comments a bit more concise and uniform. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: exchange_id cleanup: local shorthands for repeated testsJ. Bruce Fields
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: allow an EXCHANGE_ID to kill a 4.0 clientJ. Bruce Fields
Following rfc 5661 section 2.4.1, we can permit a 4.1 client to remove an established 4.0 client's state. (But we don't allow updates.) Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: exchange_id: check creds before killing confirmed clientJ. Bruce Fields
We mustn't allow a client to destroy another client with established state unless it has the right credential. And some minor cleanup. (Note: our comparison of credentials is actually pretty bogus currently; that will need to be fixed in another patch.) Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: exchange_id error cleanupJ. Bruce Fields
There's no point to the dprintk here as the main proc_compound loop already does this. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: exchange_id has a pointless copyJ. Bruce Fields
We just verified above that these two verifiers are already the same. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31svcrpc: fix a comment typoJ. Bruce Fields
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd: return 0 on reads of fault injection filesWeston Andros Adamson
debugfs read operations were returning the contents of an uninitialized u64. Signed-off-by: Weston Andros Adamson <dros@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd: wrap all accesses to st_deny_bmapJeff Layton
Handle the st_deny_bmap in a similar fashion to the st_access_bmap. Add accessor functions and use those instead of bare bitops. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd: wrap accesses to st_access_bmapJeff Layton
Currently, we do this for the most part with "bare" bitops, but eventually we'll need to expand the share mode code to handle access and deny modes on other nodes. In order to facilitate that code in the future, move to some generic accessor functions. For now, these are mostly static inlines, but eventually we'll want to move these to "real" functions that are able to handle multi-node configurations or have a way to "swap in" new operations to be done in lieu of or in conjunction with these atomic bitops. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd: make test_share a bool returnJeff Layton
All of the callers treat the return that way already. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd: consolidate set_access and set_denyJeff Layton
These functions are identical. Also, rename them to bmap_to_share_mode to better reflect what they do, and have them just return the result instead of passing in a pointer to the storage location. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31NFSD: SETCLIENTID_CONFIRM returns NFS4ERR_CLID_INUSE too oftenChuck Lever
According to RFC 3530bis, the only items SETCLIENTID_CONFIRM processing should be concerned with is the clientid, clientid verifier, and principal. The client's IP address is not supposed to be interesting. And, NFS4ERR_CLID_INUSE is meant only for principal mismatches. I triggered this logic with a prototype UCS client -- one that uses the same nfs_client_id4 string for all servers. The client mounted our server via its IPv4, then via its IPv6 address. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31LockD: add debug message to start and stop functionsStanislav Kinsbursky
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31LockD: service start function introducedStanislav Kinsbursky
This is just a code move, which from my POV makes the code look better. I.e. now on start we have 3 different stages: 1) Service creation. 2) Service per-net data allocation. 3) Service start. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31LockD: move global usage counter manipulation from error pathStanislav Kinsbursky
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31LockD: service creation function introducedStanislav Kinsbursky
This function creates service if it doesn't exist, or increases usage counter if it does, and returns a pointer to it. The usage counter will be droppepd by svc_destroy() later in lockd_up(). Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31LockD: use existing per-net data function on service creationStanislav Kinsbursky
This patch also replaces svc_rpcb_setup() with svc_bind(). Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31LockD: pass service to per-net up and down functionsStanislav Kinsbursky
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31sunrpc: do array overrun check in svc_recv before allocating pagesJeff Layton
There's little point in waiting until after we allocate all of the pages to see if we're going to overrun the array. In the event that this calculation is really off we could end up scribbling over a bunch of memory and make it tougher to debug. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31SUNRPC: move per-net operations from svc_destroy()Stanislav Kinsbursky
The idea is to separate service destruction and per-net operations, because these are two different things and the mix looks ugly. Notes: 1) For NFS server this patch looks ugly (sorry for that). But these place will be rewritten soon during NFSd containerization. 2) LockD per-net counter increase int lockd_up() was moved prior to make_socks() to make lockd_down_net() call safe in case of error. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31SUNRPC: new svc_bind() routine introducedStanislav Kinsbursky
This new routine is responsible for service registration in a specified network context. The idea is to separate service creation from per-net operations. Note also: since registering service with svc_bind() can fail, the service will be destroyed and during destruction it will try to unregister itself from rpcbind. In this case unregistration has to be skipped. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31rpc: handle rotated gss data for Windows interoperabilityJ. Bruce Fields
The data in Kerberos gss tokens can be rotated. But we were lazy and rejected any nonzero rotation value. It wasn't necessary for the implementations we were testing against at the time. But it appears that Windows does use a nonzero value here. So, implement rotation to bring ourselves into compliance with the spec and to interoperate with Windows. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd: add IPv6 addr escaping to fs_location hostsWeston Andros Adamson
The fs_location->hosts list is split on colons, but this doesn't work when IPv6 addresses are used (they contain colons). This patch adds the function nfsd4_encode_components_esc() to allow the caller to specify escape characters when splitting on 'sep'. In order to fix referrals, this patch must be used with the mountd patch that similarly fixes IPv6 [] escaping. Signed-off-by: Weston Andros Adamson <dros@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: fix change attribute endiannessJ. Bruce Fields
Though actually this doesn't matter much, as NFSv4.0 clients are required to treat the change attribute as opaque. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: fix free_stateid return endiannessJ. Bruce Fields
Cc: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: int/__be32 fixesJ. Bruce Fields
In each of these cases there's a simple unambiguous correct choice, and no actual bug. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: preserve __user annotation on cld downcall msgJ. Bruce Fields
Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd4: fix missing "static"J. Bruce Fields
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-05-31nfsd: state.c should include current_stateid.hJ. Bruce Fields
OK, admittedly I'm mainly just trying to shut sparse up. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2012-06-01ARM: ux500: Enable probing of pinctrl through Device TreeLee Jones
The Nomadik GPIO controller now relies on Nomadik pinctrl, however the pinctrl driver is not currently started by any ux500 platform. This is requred or GPIOs do not work at all. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Add support for ab8500 regulators into the Device TreeLee Jones
Here we supply the information required to setup regulators successfully on Snowball and other db8500 variants which use the ab8500 regulators. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Provide regulator support for SMSC911x via Device TreeLee Jones
This patch adds a fixed regulator for use by the SMSC911x Ethernet chip driver into the db8500 Device Tree. It also references other regulators required by the same device. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Allow PRCMU regulator to be probed during a DT enabled bootLee Jones
This patch adds the correct compatible string for use during Device Tree population. Without it the DB8500 PRCMU regulators would be processed when DT is enabled. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Apply db8500-prcmu regulator information to db8500 Device TreeLee Jones
Here we inform Device Tree of which regulators are provided by the db8500- prcmu. This way we can reference some of their consumers directly from the Device Tree e.g. SMSC911x Ethernet chip. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Only initialise STE's UIBs on boards which support themLee Jones
ST-Ericsson uses User Interface Boards to extend functionality of some of their development boards. However, these aren't compatible with all the supported boards found in Mainline (Snowball for instance). This patch ensures that the UIBs are only probed on boards which can actually support them. This in turn saves lots of unnecessary error messages normally found in Snowball's boot log. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Disable platform setup of the ab8500 when DT is enabledLee Jones
The final piece of the ab8500 puzzle. Here we prevent any of the ab8500-* drivers from being registered from platform code when Device Tree is enabled, as we expect DT do probe each of these individually. We also provide the relevant compatible strings, so that DT knows which nodes it needs to pay attention to during population. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Use correct format for dynamic IRQ assignmentLee Jones
This patch applies the correct format requested by the irq domain. For chained IRQs which use GPIO lines as IRQs, we stipulate that a two cell request is required. The first cell contains the requested IRQ and the second can contain flags pertaining to edge detection and level sensitive values. The zeroth cell specifies the GPIO controller by use of a phandle. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Re-enable SMSC911x platform code registration during non-DT bootsLee Jones
The patch to disable SMSC911x registration was applied twice in the upstream kernel by mistake. Git interpreted this as 'take the same entry from a similar struct' which was close by. This was the wrong thing to do. This patch rectifies this error and re-enables SMSC911x registration when Device Tree is not enabled. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: PRCMU related configuration and layout corrections for Device TreeLee Jones
Apply db8500 related PRCMU Device Tree settings and clean up some formatting errors. We also remove one of the PRCMU assigned IRQs, as it is currently not used. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Remove DB8500 PRCMU platform registration when DT is enabledLee Jones
Now the DB8500 has Device Tree support it will be probed when the DT is parsed, rendering the requirement for platform registration void. This patch removes DB8500 PRCMU platform registration. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: Disable SMSC911x platform code registration when DT is enabledLee Jones
Now the SCMC911x is correctly enabled in Device Tree, there is no need to continue registering it from platform code. In fact, if we continue doing so, the system will throw an error on boot. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: New DT:ed u8500_init_devices for one-by-one device enablementLee Jones
During Device Tree enablement it is necessary to remove <hw_component>_add_<device> calls one at at time, as and when particular devices are DT enabled. This patch provides a temporary solution. Once the new *of_init_devices function has been fully unpopulated it will be removed again. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01ARM: ux500: New DT:ed snowball_platform_devs for one-by-one device enablementLee Jones
During Device Tree enablement it is necessary to remove snowball_<device>* platform_data segments one at at time, as and when particular devices are DT enabled. This patch provides a temporary solution. Once this new struct is empty it will be removed again. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-06-01pinctrl-nomadik: Allow Device Tree driver probingLee Jones
The Nomadik GPIO controller now relies on Nomadik pinctrl, however the pinctrl driver is not currently started by any ux500 platform. This is requred or GPIOs do not work at all. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-31net: sock: validate data_len before allocating skb in sock_alloc_send_pskb()Jason Wang
We need to validate the number of pages consumed by data_len, otherwise frags array could be overflowed by userspace. So this patch validate data_len and return -EMSGSIZE when data_len may occupies more frags than MAX_SKB_FRAGS. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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