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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-05-25 10:08:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-05-25 10:08:48 -0700 |
| commit | 80a1de29a5a67abac02cb10c32545eb231e0e778 (patch) | |
| tree | e66ae4c98b1c4b09df1bed1c91661d8017c3f9e5 /fs | |
| parent | 037430078fbbb956a9bd6ada00f528e9d1e4c92c (diff) | |
| parent | 27b11428b7de097c42f205beabb1764f4365443b (diff) | |
| download | linux-stable-80a1de29a5a67abac02cb10c32545eb231e0e778.tar.gz linux-stable-80a1de29a5a67abac02cb10c32545eb231e0e778.tar.bz2 linux-stable-80a1de29a5a67abac02cb10c32545eb231e0e778.zip | |
Merge branch 'for-3.15' of git://linux-nfs.org/~bfields/linux
Pull two nfsd bugfixes from Bruce Fields:
"Just two bugfixes, one for a merge-window-introduced ACL regression,
the other for a longer-standing v4 state bug"
* 'for-3.15' of git://linux-nfs.org/~bfields/linux:
nfsd4: warn on finding lockowner without stateid's
nfsd4: remove lockowner when removing lock stateid
nfsd4: fix corruption on setting an ACL.
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfsd/nfs4acl.c | 2 | ||||
| -rw-r--r-- | fs/nfsd/nfs4state.c | 15 |
2 files changed, 14 insertions, 3 deletions
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c index b6f46013dddf..f66c66b9f182 100644 --- a/fs/nfsd/nfs4acl.c +++ b/fs/nfsd/nfs4acl.c @@ -590,7 +590,7 @@ posix_state_to_acl(struct posix_acl_state *state, unsigned int flags) add_to_mask(state, &state->groups->aces[i].perms); } - if (!state->users->n && !state->groups->n) { + if (state->users->n || state->groups->n) { pace++; pace->e_tag = ACL_MASK; low_mode_from_nfs4(state->mask.allow, &pace->e_perm, flags); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 32b699bebb9c..9a77a5a21557 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3717,9 +3717,16 @@ out: static __be32 nfsd4_free_lock_stateid(struct nfs4_ol_stateid *stp) { - if (check_for_locks(stp->st_file, lockowner(stp->st_stateowner))) + struct nfs4_lockowner *lo = lockowner(stp->st_stateowner); + + if (check_for_locks(stp->st_file, lo)) return nfserr_locks_held; - release_lock_stateid(stp); + /* + * Currently there's a 1-1 lock stateid<->lockowner + * correspondance, and we have to delete the lockowner when we + * delete the lock stateid: + */ + unhash_lockowner(lo); return nfs_ok; } @@ -4159,6 +4166,10 @@ static bool same_lockowner_ino(struct nfs4_lockowner *lo, struct inode *inode, c if (!same_owner_str(&lo->lo_owner, owner, clid)) return false; + if (list_empty(&lo->lo_owner.so_stateids)) { + WARN_ON_ONCE(1); + return false; + } lst = list_first_entry(&lo->lo_owner.so_stateids, struct nfs4_ol_stateid, st_perstateowner); return lst->st_file->fi_inode == inode; |