diff options
Diffstat (limited to 'fs/nfsd/nfs4acl.c')
| -rw-r--r-- | fs/nfsd/nfs4acl.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c index 649ad7cf2204..d3a587144222 100644 --- a/fs/nfsd/nfs4acl.c +++ b/fs/nfsd/nfs4acl.c @@ -38,6 +38,7 @@ #include <linux/nfs_fs.h> #include <linux/export.h> #include "nfsfh.h" +#include "nfsd.h" #include "acl.h" #include "vfs.h" @@ -916,17 +917,22 @@ nfs4_acl_get_whotype(char *p, u32 len) return NFS4_ACL_WHO_NAMED; } -int -nfs4_acl_write_who(int who, char *p) +__be32 nfs4_acl_write_who(int who, __be32 **p, int *len) { int i; + int bytes; for (i = 0; i < ARRAY_SIZE(s2t_map); i++) { - if (s2t_map[i].type == who) { - memcpy(p, s2t_map[i].string, s2t_map[i].stringlen); - return s2t_map[i].stringlen; - } + if (s2t_map[i].type != who) + continue; + bytes = 4 + (XDR_QUADLEN(s2t_map[i].stringlen) << 2); + if (bytes > *len) + return nfserr_resource; + *p = xdr_encode_opaque(*p, s2t_map[i].string, + s2t_map[i].stringlen); + *len -= bytes; + return 0; } - BUG(); + WARN_ON_ONCE(1); return -1; } |