diff options
| -rw-r--r-- | fs/nfsd/nfs4acl.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c index 5d94555cdc83..785418b0b799 100644 --- a/fs/nfsd/nfs4acl.c +++ b/fs/nfsd/nfs4acl.c @@ -61,9 +61,11 @@ /* flags used to simulate posix default ACLs */ #define NFS4_INHERITANCE_FLAGS (NFS4_ACE_FILE_INHERIT_ACE \ - | NFS4_ACE_DIRECTORY_INHERIT_ACE | NFS4_ACE_INHERIT_ONLY_ACE) + | NFS4_ACE_DIRECTORY_INHERIT_ACE) -#define NFS4_SUPPORTED_FLAGS (NFS4_INHERITANCE_FLAGS | NFS4_ACE_IDENTIFIER_GROUP) +#define NFS4_SUPPORTED_FLAGS (NFS4_INHERITANCE_FLAGS \ + | NFS4_ACE_INHERIT_ONLY_ACE \ + | NFS4_ACE_IDENTIFIER_GROUP) #define MASK_EQUAL(mask1, mask2) \ ( ((mask1) & NFS4_ACE_MASK_ALL) == ((mask2) & NFS4_ACE_MASK_ALL) ) @@ -707,11 +709,16 @@ nfs4_acl_split(struct nfs4_acl *acl, struct nfs4_acl *dacl) if (ace->flag & ~NFS4_SUPPORTED_FLAGS) return -EINVAL; - switch (ace->flag & NFS4_INHERITANCE_FLAGS) { - case 0: + if ((ace->flag & NFS4_INHERITANCE_FLAGS) == 0) { /* Leave this ace in the effective acl: */ continue; - case NFS4_INHERITANCE_FLAGS: + } + /* + * Note that when only one of FILE_INHERIT or DIRECTORY_INHERIT + * is set, we're effectively turning on the other. That's OK, + * according to rfc 3530. + */ + if (ace->flag & NFS4_ACE_INHERIT_ONLY_ACE) { /* Add this ace to the default acl and remove it * from the effective acl: */ error = nfs4_acl_add_ace(dacl, ace->type, ace->flag, @@ -721,17 +728,13 @@ nfs4_acl_split(struct nfs4_acl *acl, struct nfs4_acl *dacl) list_del(h); kfree(ace); acl->naces--; - break; - case NFS4_INHERITANCE_FLAGS & ~NFS4_ACE_INHERIT_ONLY_ACE: + } else { /* Add this ace to the default, but leave it in * the effective acl as well: */ error = nfs4_acl_add_ace(dacl, ace->type, ace->flag, ace->access_mask, ace->whotype, ace->who); if (error) return error; - break; - default: - return -EINVAL; } } return 0; |