5.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Chuck Lever chuck.lever@oracle.com
[ Upstream commit 635a45d34706400c59c3b18ca9fccba195147bda ]
Signed-off-by: Chuck Lever chuck.lever@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfsd/nfs2acl.c | 10 +++++----- fs/nfsd/nfsxdr.c | 11 ++++++++++- fs/nfsd/xdr.h | 1 + fs/nfsd/xdr3.h | 2 +- 4 files changed, 17 insertions(+), 7 deletions(-)
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c index 899762da23c92..df2e145cfab0d 100644 --- a/fs/nfsd/nfs2acl.c +++ b/fs/nfsd/nfs2acl.c @@ -188,17 +188,17 @@ static __be32 nfsacld_proc_access(struct svc_rqst *rqstp)
static int nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, __be32 *p) { + struct xdr_stream *xdr = &rqstp->rq_arg_stream; struct nfsd3_getaclargs *argp = rqstp->rq_argp;
- p = nfs2svc_decode_fh(p, &argp->fh); - if (!p) + if (!svcxdr_decode_fhandle(xdr, &argp->fh)) + return 0; + if (xdr_stream_decode_u32(xdr, &argp->mask) < 0) return 0; - argp->mask = ntohl(*p); p++;
- return xdr_argsize_check(rqstp, p); + return 1; }
- static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p) { struct nfsd3_setaclargs *argp = rqstp->rq_argp; diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c index f2cb4794aeaf6..5ab9fc14816c2 100644 --- a/fs/nfsd/nfsxdr.c +++ b/fs/nfsd/nfsxdr.c @@ -38,7 +38,16 @@ decode_fh(__be32 *p, struct svc_fh *fhp) return p + (NFS_FHSIZE >> 2); }
-static bool +/** + * svcxdr_decode_fhandle - Decode an NFSv2 file handle + * @xdr: XDR stream positioned at an encoded NFSv2 FH + * @fhp: OUT: filled-in server file handle + * + * Return values: + * %false: The encoded file handle was not valid + * %true: @fhp has been initialized + */ +bool svcxdr_decode_fhandle(struct xdr_stream *xdr, struct svc_fh *fhp) { __be32 *p; diff --git a/fs/nfsd/xdr.h b/fs/nfsd/xdr.h index ff68643504c3c..77afad72c2aa1 100644 --- a/fs/nfsd/xdr.h +++ b/fs/nfsd/xdr.h @@ -165,5 +165,6 @@ void nfssvc_release_readres(struct svc_rqst *rqstp); /* Helper functions for NFSv2 ACL code */ __be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp, struct kstat *stat); __be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp); +bool svcxdr_decode_fhandle(struct xdr_stream *xdr, struct svc_fh *fhp);
#endif /* LINUX_NFSD_H */ diff --git a/fs/nfsd/xdr3.h b/fs/nfsd/xdr3.h index 64af5b01c5d7b..43db4206cd254 100644 --- a/fs/nfsd/xdr3.h +++ b/fs/nfsd/xdr3.h @@ -102,7 +102,7 @@ struct nfsd3_commitargs {
struct nfsd3_getaclargs { struct svc_fh fh; - int mask; + __u32 mask; };
struct posix_acl;