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kernel-fxtec-pro1x/fs/nfsd
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J. Bruce Fields 3f26e68af5 nfsd4: zero-length WRITE should succeed 
commit fdec6114ee1f0f43b1ad081ad8d46b23ba126d70 upstream.

Zero-length writes are legal; from 5661 section 18.32.3: "If the count
is zero, the WRITE will succeed and return a count of zero subject to
permissions checking".

This check is unnecessary and is causing zero-length reads to return
EINVAL.

Cc: stable@vger.kernel.org
Fixes: 3fd9557aec "NFSD: Refactor the generic write vector fill helper"
Cc: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-13 09:51:08 +01:00
..
acl.h nfsd4: remove nfs4_acl_new 2014-07-08 17:14:27 -04:00
auth.c nfsd: auth: Fix gid sorting when rootsquash enabled 2018-01-22 20:13:07 -08:00
auth.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayout.c vfs/y2038: inode timestamps conversion to timespec64 2018-06-15 07:31:07 +09:00
blocklayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cache.h nfsd: Do not refuse to serve out of cache 2018-05-11 15:48:57 -04:00
current_stateid.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
export.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
export.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fault_inject.c Lots of good bugfixes, including: 2017-11-18 11:22:04 -08:00
flexfilelayout.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idmap.h nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx 2015-07-20 14:58:46 -04:00
Kconfig block: make scsi_request and scsi ioctl support optional 2017-01-31 10:53:05 -07:00
lockd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netns.h nfsd4: extend reclaim period for reclaiming clients 2018-06-17 10:20:47 -04:00
nfs2acl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs3acl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs3proc.c NFSD: Handle full-length symlinks 2018-08-09 16:11:21 -04:00
nfs3xdr.c vfs: change inode times to use struct timespec64 2018-06-05 16:57:31 -07:00
nfs4acl.c nfsd: check permissions when setting ACLs 2016-06-24 12:11:52 -04:00
nfs4callback.c nfsd: Remove callback_cred 2018-08-22 18:32:07 -04:00
nfs4idmap.c NFSD: make cache_detail structures const 2017-11-27 16:45:11 -05:00
nfs4layouts.c nfsd: don't advertise a SCSI layout for an unsupported request_queue 2018-06-19 10:12:31 -04:00
nfs4proc.c nfsd4: zero-length WRITE should succeed 2019-01-13 09:51:08 +01:00
nfs4recover.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
nfs4state.c nfsd: correctly decrement odstate refcount in error path 2018-11-13 11:08:49 -08:00
nfs4xdr.c fs/nfsd: Delete invalid assignment statements in nfsd4_decode_exchange_id 2018-08-09 16:11:21 -04:00
nfscache.c - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
nfsctl.c nfsd: constify write_op[] 2018-08-09 16:11:21 -04:00
nfsd.h nfsd4: support change_attr_type attribute 2018-06-17 10:41:31 -04:00
nfsfh.c nfsd: use true and false for boolean values 2018-08-09 16:11:21 -04:00
nfsfh.h This request is late, apologies. 2018-02-08 15:18:32 -08:00
nfsproc.c NFSD: Handle full-length symlinks 2018-08-09 16:11:21 -04:00
nfssvc.c race of nfsd inetaddr notifiers vs nn->nfsd_serv change 2017-11-27 16:45:11 -05:00
nfsxdr.c vfs: change inode times to use struct timespec64 2018-06-05 16:57:31 -07:00
pnfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
state.h nfsd: Remove callback_cred 2018-08-22 18:32:07 -04:00
stats.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stats.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.c nfsd: move include of state.h from trace.c to trace.h 2015-10-23 15:57:29 -04:00
trace.h nfsd: Trace NFSv4 COMPOUND execution 2018-04-03 15:08:15 -04:00
vfs.c vfs: swap names of {do,vfs}_clone_file_range() 2018-09-24 10:54:01 +02:00
vfs.h nfsd: Add I/O trace points in the NFSv4 read proc 2018-04-03 15:08:15 -04:00
xdr.h NFSD: Clean up legacy NFS SYMLINK argument XDR decoders 2018-04-03 15:08:16 -04:00
xdr3.h NFSD: Clean up legacy NFS SYMLINK argument XDR decoders 2018-04-03 15:08:16 -04:00
xdr4.h nfsd: fix incorrect umasks 2018-04-03 16:27:08 -04:00
xdr4cb.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00