diff options
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 75 |
1 files changed, 35 insertions, 40 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 158badf945df..54633858733a 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -33,6 +33,7 @@ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +#include <linux/file.h> #include <linux/slab.h> #include <linux/namei.h> #include <linux/statfs.h> @@ -2227,7 +2228,6 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, u32 rdattr_err = 0; __be32 status; int err; - int aclsupport = 0; struct nfs4_acl *acl = NULL; void *context = NULL; int contextlen; @@ -2274,19 +2274,15 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, goto out; fhp = tempfh; } - if (bmval0 & (FATTR4_WORD0_ACL | FATTR4_WORD0_ACLSUPPORT - | FATTR4_WORD0_SUPPORTED_ATTRS)) { + if (bmval0 & FATTR4_WORD0_ACL) { err = nfsd4_get_nfs4_acl(rqstp, dentry, &acl); - aclsupport = (err == 0); - if (bmval0 & FATTR4_WORD0_ACL) { - if (err == -EOPNOTSUPP) - bmval0 &= ~FATTR4_WORD0_ACL; - else if (err == -EINVAL) { - status = nfserr_attrnotsupp; - goto out; - } else if (err != 0) - goto out_nfserr; - } + if (err == -EOPNOTSUPP) + bmval0 &= ~FATTR4_WORD0_ACL; + else if (err == -EINVAL) { + status = nfserr_attrnotsupp; + goto out; + } else if (err != 0) + goto out_nfserr; } #ifdef CONFIG_NFSD_V4_SECURITY_LABEL @@ -2338,7 +2334,7 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, u32 word1 = nfsd_suppattrs1(minorversion); u32 word2 = nfsd_suppattrs2(minorversion); - if (!aclsupport) + if (!IS_POSIXACL(dentry->d_inode)) word0 &= ~FATTR4_WORD0_ACL; if (!contextsupport) word2 &= ~FATTR4_WORD2_SECURITY_LABEL; @@ -2486,7 +2482,7 @@ out_acl: p = xdr_reserve_space(xdr, 4); if (!p) goto out_resource; - *p++ = cpu_to_be32(aclsupport ? + *p++ = cpu_to_be32(IS_POSIXACL(dentry->d_inode) ? ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL : 0); } if (bmval0 & FATTR4_WORD0_CANSETTIME) { @@ -3422,52 +3418,51 @@ nfsd4_encode_read(struct nfsd4_compoundres *resp, __be32 nfserr, unsigned long maxcount; struct xdr_stream *xdr = &resp->xdr; struct file *file = read->rd_filp; - struct svc_fh *fhp = read->rd_fhp; int starting_len = xdr->buf->len; - struct raparms *ra; + struct raparms *ra = NULL; __be32 *p; - __be32 err; if (nfserr) - return nfserr; + goto out; p = xdr_reserve_space(xdr, 8); /* eof flag and byte count */ if (!p) { WARN_ON_ONCE(test_bit(RQ_SPLICE_OK, &resp->rqstp->rq_flags)); - return nfserr_resource; + nfserr = nfserr_resource; + goto out; } - if (resp->xdr.buf->page_len && test_bit(RQ_SPLICE_OK, &resp->rqstp->rq_flags)) { + if (resp->xdr.buf->page_len && + test_bit(RQ_SPLICE_OK, &resp->rqstp->rq_flags)) { WARN_ON_ONCE(1); - return nfserr_resource; + nfserr = nfserr_resource; + goto out; } xdr_commit_encode(xdr); maxcount = svc_max_payload(resp->rqstp); - maxcount = min_t(unsigned long, maxcount, (xdr->buf->buflen - xdr->buf->len)); + maxcount = min_t(unsigned long, maxcount, + (xdr->buf->buflen - xdr->buf->len)); maxcount = min_t(unsigned long, maxcount, read->rd_length); - if (read->rd_filp) - err = nfsd_permission(resp->rqstp, fhp->fh_export, - fhp->fh_dentry, - NFSD_MAY_READ|NFSD_MAY_OWNER_OVERRIDE); - else - err = nfsd_get_tmp_read_open(resp->rqstp, read->rd_fhp, - &file, &ra); - if (err) - goto err_truncate; + if (read->rd_tmp_file) + ra = nfsd_init_raparms(file); - if (file->f_op->splice_read && test_bit(RQ_SPLICE_OK, &resp->rqstp->rq_flags)) - err = nfsd4_encode_splice_read(resp, read, file, maxcount); + if (file->f_op->splice_read && + test_bit(RQ_SPLICE_OK, &resp->rqstp->rq_flags)) + nfserr = nfsd4_encode_splice_read(resp, read, file, maxcount); else - err = nfsd4_encode_readv(resp, read, file, maxcount); + nfserr = nfsd4_encode_readv(resp, read, file, maxcount); - if (!read->rd_filp) - nfsd_put_tmp_read_open(file, ra); + if (ra) + nfsd_put_raparams(file, ra); -err_truncate: - if (err) + if (nfserr) xdr_truncate_encode(xdr, starting_len); - return err; + +out: + if (file) + fput(file); + return nfserr; } static __be32 |