From: Sage Weil <sage@newdream.net>
Date: Mon, 7 Apr 2008 18:31:23 +0000 (-0700)
Subject: kclient: check for ENAMETOOLONG in lookup
X-Git-Tag: v0.3~239^2~81^2^2~7
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=8a0ba555209c20fbd08e8283d16df3630731501c;p=ceph.git

kclient: check for ENAMETOOLONG in lookup
---

diff --git a/src/kernel/dir.c b/src/kernel/dir.c
index 69e4380de14..5cac51d7f4a 100644
--- a/src/kernel/dir.c
+++ b/src/kernel/dir.c
@@ -209,6 +209,9 @@ int ceph_do_lookup(struct super_block *sb, struct dentry *dentry, int mask)
 	struct ceph_mds_request_head *rhead;
 	int err;
 
+	if (dentry->d_name.len > NAME_MAX)
+		return -ENAMETOOLONG;
+
 	dout(10, "do_lookup %p mask %d\n", dentry, CEPH_STAT_MASK_INODE_ALL);
 	path = ceph_build_dentry_path(dentry, &pathlen);
 	if (IS_ERR(path))