[PATCH] FUSE: inode leak fix

[Miklos Szeredi]

Hi Andrew!

This patch fixes an inode leak in fuse_get_dentry().  With libfuse
this practically never triggers, but a DoS exploit could be written.

Please Apply.

Thanks,
Miklos

Signed-off-by: Miklos Szeredi <miklos@xxxxxxxxxx>

diff -rup linux-2.6.11-mm1/fs/fuse/inode.c linux-fuse/fs/fuse/inode.c
--- linux-2.6.11-mm1/fs/fuse/inode.c	2005-03-04 23:26:59.000000000 +0100
+++ linux-fuse/fs/fuse/inode.c	2005-03-04 23:32:36.000000000 +0100
@@ -446,8 +446,12 @@ static struct dentry *fuse_get_dentry(st
 		return ERR_PTR(-ESTALE);
 
 	inode = ilookup5(sb, nodeid, fuse_inode_eq, &nodeid);
-	if (!inode || inode->i_generation != generation)
+	if (!inode)
 		return ERR_PTR(-ESTALE);
+	if (inode->i_generation != generation) {
+		iput(inode);
+		return ERR_PTR(-ESTALE);
+	}
 
 	entry = d_alloc_anon(inode);
 	if (!entry) {
-
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