diff options
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 0fbd50cee1f6..12f62ff353d6 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -168,10 +168,10 @@ static __be32 *read_buf(struct nfsd4_compoundargs *argp, u32 nbytes) argp->p = page_address(argp->pagelist[0]); argp->pagelist++; if (argp->pagelen < PAGE_SIZE) { - argp->end = p + (argp->pagelen>>2); + argp->end = argp->p + (argp->pagelen>>2); argp->pagelen = 0; } else { - argp->end = p + (PAGE_SIZE>>2); + argp->end = argp->p + (PAGE_SIZE>>2); argp->pagelen -= PAGE_SIZE; } memcpy(((char*)p)+avail, argp->p, (nbytes - avail)); @@ -1433,10 +1433,10 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp) argp->p = page_address(argp->pagelist[0]); argp->pagelist++; if (argp->pagelen < PAGE_SIZE) { - argp->end = p + (argp->pagelen>>2); + argp->end = argp->p + (argp->pagelen>>2); argp->pagelen = 0; } else { - argp->end = p + (PAGE_SIZE>>2); + argp->end = argp->p + (PAGE_SIZE>>2); argp->pagelen -= PAGE_SIZE; } } @@ -2129,9 +2129,15 @@ out_acl: * and this is the root of a cross-mounted filesystem. */ if (ignore_crossmnt == 0 && - exp->ex_path.mnt->mnt_root->d_inode == dentry->d_inode) { - err = vfs_getattr(exp->ex_path.mnt->mnt_parent, - exp->ex_path.mnt->mnt_mountpoint, &stat); + dentry == exp->ex_path.mnt->mnt_root) { + struct path path = exp->ex_path; + path_get(&path); + while (follow_up(&path)) { + if (path.dentry != path.mnt->mnt_root) + break; + } + err = vfs_getattr(path.mnt, path.dentry, &stat); + path_put(&path); if (err) goto out_nfserr; } |