OpenAFS Master Repository branch, master, updated. openafs-devel-1_9_0-21-gea9e5e8

[Gerrit Code Review]

The following commit has been merged in the master branch:
commit ea9e5e8519dc486cfb019447ee5d695de104079d
Author: Andrew Deason <adeason@sinenomine.net>
Date:   Thu Jul 18 16:21:10 2019 -0500

    afs: Handle osi_NewVnode failures
    
    Currently, code inside afs_vcache.c assumes that osi_NewVnode always
    returns non-NULL, which means that osi_NewVnode must panic if it
    cannot create a new vnode.
    
    All of the callers of afs_GetVCache, afs_NewVCache, etc, already
    handle getting a NULL return, though (after all, the given fid may not
    exist or be inaccessible due to network errors, etc). So, just
    propagate NULL returns from osi_NewVnode up to our callers, to avoid
    panics in these situations.
    
    Modify osi_NewVnode on many arches to return an error on allocation
    failure, instead of panic'ing.
    
    Change-Id: Ib578b1747590bdf65327d4674e0849811ed999eb
    Reviewed-on: https://gerrit.openafs.org/13701
    Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
    Reviewed-by: Yadavendra Yadav <yadayada@in.ibm.com>
    Tested-by: BuildBot <buildbot@rampaginggeek.com>

 src/afs/AIX/osi_vcache.c     |    4 +++-
 src/afs/DARWIN/osi_vcache.c  |    4 +++-
 src/afs/FBSD/osi_vcache.c    |    3 +++
 src/afs/IRIX/osi_vcache.c    |    3 +++
 src/afs/LINUX/osi_vcache.c   |    9 +++++++--
 src/afs/NBSD/osi_vcache.c    |    3 +++
 src/afs/OBSD/osi_vcache.c    |    3 +++
 src/afs/SOLARIS/osi_vcache.c |    4 +++-
 src/afs/afs_vcache.c         |    9 +++++++++
 9 files changed, 37 insertions(+), 5 deletions(-)

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