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nfsd: fix leak on error in nfsv3 readdir 

Note the !dchild->d_inode case can leak the filehandle.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields 2009-09-04 14:40:36 -04:00
parent 8177e6d6df
commit aed100fafb
1 changed files with 3 additions and 2 deletions
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5
fs/nfsd/nfs3xdr.c
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@ -825,7 +825,6 @@ compose_entry_fh(struct nfsd3_readdirres *cd, struct svc_fh *fhp,
dparent = cd->fh.fh_dentry;
exp = cd->fh.fh_export;
fh_init(fhp, NFS3_FHSIZE);
if (isdotent(name, namlen)) {
if (namlen == 2) {
dchild = dget_parent(dparent);
@ -859,15 +858,17 @@ __be32 *encode_entryplus_baggage(struct nfsd3_readdirres *cd, __be32 *p, const c
struct svc_fh fh;
int err;
fh_init(&fh, NFS3_FHSIZE);
err = compose_entry_fh(cd, &fh, name, namlen);
if (err) {
*p++ = 0;
*p++ = 0;
return p;
goto out;
}
p = encode_post_op_attr(cd->rqstp, p, &fh);
*p++ = xdr_one; /* yes, a file handle follows */
p = encode_fh(p, &fh);
out:
fh_put(&fh);
return p;
}