[PATCH] knfsd: nfsd: mark rqstp to prevent use of sendfile in privacy case

[powerpc.git] / fs / 9p / vfs_inode.c

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 2cb87ba..2f580a1 100644 (file)
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -300,7 +300,7 @@ clunk_fid:
        fid = V9FS_NOFID;
 
 put_fid:
-       if (fid >= 0)
+       if (fid != V9FS_NOFID)
                v9fs_put_idpool(fid, &v9ses->fidpool);
 
        kfree(fcall);
@@ -530,9 +530,6 @@ error:
        if (vfid)
                v9fs_fid_destroy(vfid);
 
-       if (inode)
-               iput(inode);
-
        return err;
 }
 
@@ -1054,6 +1051,9 @@ static int v9fs_vfs_readlink(struct dentry *dentry, char __user * buffer,
        int ret;
        char *link = __getname();
 
+       if (unlikely(!link))
+               return -ENOMEM;
+
        if (buflen > PATH_MAX)
                buflen = PATH_MAX;
 
@@ -1171,9 +1171,6 @@ error:
        if (vfid)
                v9fs_fid_destroy(vfid);
 
-       if (inode)
-               iput(inode);
-
        return err;
 
 }
@@ -1227,6 +1224,9 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
        }
 
        name = __getname();
+       if (unlikely(!name))
+               return -ENOMEM;
+
        sprintf(name, "%d\n", oldfid->fid);
        retval = v9fs_vfs_mkspecial(dir, dentry, V9FS_DMLINK, name);
        __putname(name);