diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2020-11-04 10:56:52 -0500 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2020-11-30 14:46:43 -0500 |
| commit | 830c71502ae0ae1677ac6c08ffbcf85a6e7b2937 (patch) | |
| tree | 04429eb9538b29588f833901ddc78a62efb7c25e /fs/nfsd | |
| parent | 3dfd0b0e15671e2b4047ccb9222432f0b2d930be (diff) | |
NFSD: Replace READ* macros in nfsd4_decode_xattr_name()
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index baf17d29097a..414960948d65 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2117,25 +2117,22 @@ nfsd4_vbuf_from_vector(struct nfsd4_compoundargs *argp, struct xdr_buf *xdr, static __be32 nfsd4_decode_xattr_name(struct nfsd4_compoundargs *argp, char **namep) { - DECODE_HEAD; char *name, *sp, *dp; u32 namelen, cnt; + __be32 *p; - READ_BUF(4); - namelen = be32_to_cpup(p++); - + if (xdr_stream_decode_u32(argp->xdr, &namelen) < 0) + return nfserr_bad_xdr; if (namelen > (XATTR_NAME_MAX - XATTR_USER_PREFIX_LEN)) return nfserr_nametoolong; - if (namelen == 0) - goto xdr_error; - - READ_BUF(namelen); - + return nfserr_bad_xdr; + p = xdr_inline_decode(argp->xdr, namelen); + if (!p) + return nfserr_bad_xdr; name = svcxdr_tmpalloc(argp, namelen + XATTR_USER_PREFIX_LEN + 1); if (!name) return nfserr_jukebox; - memcpy(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN); /* @@ -2148,14 +2145,14 @@ nfsd4_decode_xattr_name(struct nfsd4_compoundargs *argp, char **namep) while (cnt-- > 0) { if (*sp == '\0') - goto xdr_error; + return nfserr_bad_xdr; *dp++ = *sp++; } *dp = '\0'; *namep = name; - DECODE_TAIL; + return nfs_ok; } /* |