Commit 0ce5cdc9 authored Sep 22, 2017 by Dan Carpenter Committed by Miklos Szeredi Oct 19, 2017

ovl: Return -ENOMEM if an allocation fails ovl_lookup()



The error code is missing here so it means we return ERR_PTR(0) or NULL.
The other error paths all return an error code so this probably should
as well.

Fixes: 02b69b28 ("ovl: lookup redirects")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

parent b3885bd6

fs/overlayfs/namei.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -635,6 +635,7 @@ struct dentry ovl_lookup(struct inode dir, struct dentry *dentry,
		}

		if (d.redirect) {
		err = -ENOMEM;
		upperredirect = kstrdup(d.redirect, GFP_KERNEL);
		if (!upperredirect)
		goto out_put_upper;