From 373d5e71833978fe3d91264d86857762bb92cfe2 Mon Sep 17 00:00:00 2001 From: Richard Purdie Date: Tue, 18 Apr 2006 02:05:46 +0100 Subject: JFFS2: Return an error for long filenames Return an error if a name is too long for JFFS2 rather than corrupting data. Signed-off-by: Richard Purdie --- fs/jffs2/dir.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs/jffs2/dir.c') diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index 8bc7a5018e4..f92840a3a52 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -78,6 +78,9 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target, D1(printk(KERN_DEBUG "jffs2_lookup()\n")); + if (target->d_name.len > JFFS2_MAX_NAME_LEN) + return ERR_PTR(-ENAMETOOLONG); + dir_f = JFFS2_INODE_INFO(dir_i); c = JFFS2_SB_INFO(dir_i->i_sb); -- cgit v1.2.3-18-g5258