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linux/net/sunrpc
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Chuck Lever 1658f40e82 xprtrdma: Prevent infinite loop in rpcrdma_ep_create() 
commit 41f9702896 upstream.

If a provider advertizes a zero max_fast_reg_page_list_len, FRWR
depth detection loops forever. Instead of just failing the mount,
try other memory registration modes.

Fixes: 0fc6c4e7bb ("xprtrdma: mind the device's max fast . . .")
Reported-by: Devesh Sharma <Devesh.Sharma@Emulex.Com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Devesh Sharma <Devesh.Sharma@Emulex.Com>
Tested-by: Meghana Cheripady <Meghana.Cheripady@Emulex.Com>
Tested-by: Veeresh U. Kokatnur <veereshuk@chelsio.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
[ luis: backported to 3.16:
  - devattr struct isn't a pointer ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
History 2015-05-06 11:33:03 +01:00
..
auth_gss svcrpc: fix memory leak in gssp_accept_sec_context_upcall 2015-03-18 15:10:54 +00:00
xprtrdma xprtrdma: Prevent infinite loop in rpcrdma_ep_create() 2015-05-06 11:33:03 +01:00
addr.c sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h 2013-02-05 09:41:14 -05:00
auth.c NFSv4: test SECINFO RPC_AUTH_GSS pseudoflavors for support 2014-06-24 18:46:58 -04:00
auth_generic.c sunrpc: Add missing kuids conversion for printing 2013-09-12 10:16:06 -04:00
auth_null.c SUNRPC refactor rpcauth_checkverf error returns 2013-09-03 15:25:09 -04:00
auth_unix.c SUNRPC refactor rpcauth_checkverf error returns 2013-09-03 15:25:09 -04:00
backchannel_rqst.c SUNRPC: Always manipulate rpc_rqst::rq_bc_pa_list under xprt->bc_pa_lock 2015-03-18 15:20:45 +00:00
bc_svc.c SUNRPC: remove BUG_ON from bc_send 2012-11-04 14:43:41 -05:00
cache.c sunrpc: fix braino in ->poll() 2015-03-18 15:07:32 +00:00
clnt.c SUNRPC: Add missing support for RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT 2014-11-14 15:20:05 +00:00
Kconfig xprtrdma: add separate Kconfig options for NFSoRDMA client and server support 2014-03-28 18:02:12 -04:00
Makefile xprtrdma: add separate Kconfig options for NFSoRDMA client and server support 2014-03-28 18:02:12 -04:00
netns.h Merge branch 'for-3.14' of git://linux-nfs.org/~bfields/linux 2014-01-30 10:18:43 -08:00
rpc_pipe.c rpc_pipe: fix cleanup of dummy gssd directory when notification fails 2013-12-10 19:39:53 +02:00
rpcb_clnt.c SUNRPC: If the rpcbind channel is disconnected, fail the call to unregister 2013-08-07 17:07:18 -04:00
sched.c net, sunrpc: suppress allocation warning in rpc_malloc() 2014-05-29 11:11:51 -04:00
socklib.c net: Save software checksum complete 2014-06-11 15:46:13 -07:00
stats.c SUNRPC: Deprecate rpc_client->cl_protname 2013-08-30 09:19:34 -04:00
sunrpc.h SUNRPC: track whether a request is coming from a loop-back interface. 2014-05-22 15:59:18 -04:00
sunrpc_syms.c sunrpc: create a new dummy pipe for gssd to hold open 2013-12-06 13:06:30 -05:00
svc.c SUNRPC/NFSD: Support a new option for ignoring the result of svc_register 2014-01-03 18:18:49 -05:00
svc_xprt.c nfsd4: allow encoding across page boundaries 2014-05-30 17:31:54 -04:00
svcauth.c nfsd4: better reservation of head space for krb5 2014-05-30 17:32:17 -04:00
svcauth_unix.c svcrpc: fix failures to handle -1 uid's 2013-07-08 17:27:23 -04:00
svcsock.c SUNRPC: Fix locking around callback channel reply receive 2014-12-10 17:14:54 +00:00
sysctl.c net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
timer.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
xdr.c rpc: fix xdr_truncate_encode to handle buffer ending on page boundary 2015-01-16 14:34:29 +00:00
xprt.c svcrdma: Select NFSv4.1 backchannel transport based on forward channel 2014-09-05 16:36:42 -07:00
xprtsock.c SUNRPC: Don't wake tasks during connection abort 2014-11-14 15:20:05 +00:00