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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-02-14 12:48:46 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-02-14 12:48:46 -0800 |
commit | 8ba74517e4cc30e6fd92925fd134b820cbeb9249 (patch) | |
tree | 266990814ef9e6ac3b35448bc25119be112a26d0 | |
parent | bd3813d52d567ea6e85e70ce205770bfdafac368 (diff) | |
parent | 2ec197db1a56c9269d75e965f14c344b58b2a4f6 (diff) | |
download | linux-8ba74517e4cc30e6fd92925fd134b820cbeb9249.tar.bz2 |
Merge branch 'for-3.14' of git://linux-nfs.org/~bfields/linux
Pull two nfsd bugfixes from Bruce Fields.
* 'for-3.14' of git://linux-nfs.org/~bfields/linux:
lockd: send correct lock when granting a delayed lock.
nfsd4: fix acl buffer overrun
-rw-r--r-- | fs/lockd/svclock.c | 8 | ||||
-rw-r--r-- | fs/nfsd/nfs4acl.c | 9 |
2 files changed, 11 insertions, 6 deletions
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c index e066a3902973..ab798a88ec1d 100644 --- a/fs/lockd/svclock.c +++ b/fs/lockd/svclock.c @@ -779,6 +779,7 @@ nlmsvc_grant_blocked(struct nlm_block *block) struct nlm_file *file = block->b_file; struct nlm_lock *lock = &block->b_call->a_args.lock; int error; + loff_t fl_start, fl_end; dprintk("lockd: grant blocked lock %p\n", block); @@ -796,9 +797,16 @@ nlmsvc_grant_blocked(struct nlm_block *block) } /* Try the lock operation again */ + /* vfs_lock_file() can mangle fl_start and fl_end, but we need + * them unchanged for the GRANT_MSG + */ lock->fl.fl_flags |= FL_SLEEP; + fl_start = lock->fl.fl_start; + fl_end = lock->fl.fl_end; error = vfs_lock_file(file->f_file, F_SETLK, &lock->fl, NULL); lock->fl.fl_flags &= ~FL_SLEEP; + lock->fl.fl_start = fl_start; + lock->fl.fl_end = fl_end; switch (error) { case 0: diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c index d3a587144222..d190e33d0ec2 100644 --- a/fs/nfsd/nfs4acl.c +++ b/fs/nfsd/nfs4acl.c @@ -151,17 +151,15 @@ nfsd4_get_nfs4_acl(struct svc_rqst *rqstp, struct dentry *dentry, pacl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL); if (IS_ERR(pacl)) return PTR_ERR(pacl); - /* allocate for worst case: one (deny, allow) pair each: */ - size += 2 * pacl->a_count; } + /* allocate for worst case: one (deny, allow) pair each: */ + size += 2 * pacl->a_count; if (S_ISDIR(inode->i_mode)) { flags = NFS4_ACL_DIR; dpacl = get_acl(inode, ACL_TYPE_DEFAULT); if (dpacl) size += 2 * dpacl->a_count; - } else { - dpacl = NULL; } *acl = nfs4_acl_new(size); @@ -170,8 +168,7 @@ nfsd4_get_nfs4_acl(struct svc_rqst *rqstp, struct dentry *dentry, goto out; } - if (pacl) - _posix_to_nfsv4_one(pacl, *acl, flags & ~NFS4_ACL_TYPE_DEFAULT); + _posix_to_nfsv4_one(pacl, *acl, flags & ~NFS4_ACL_TYPE_DEFAULT); if (dpacl) _posix_to_nfsv4_one(dpacl, *acl, flags | NFS4_ACL_TYPE_DEFAULT); |